Well, then the resulting shape would be 2 trapezoids, which wouldn't explain how the area of a trapezoid is found. 5 then multiply and still get the same answer? Of the Trapezoid is equal to Area 2 as well as the area of the smaller rectangle. And I'm just factoring out a 3 here. And it gets half the difference between the smaller and the larger on the right-hand side.
6 6 Skills Practice Trapezoids And Kites Quiz
So right here, we have a four-sided figure, or a quadrilateral, where two of the sides are parallel to each other. Can't you just add both of the bases to get 8 then divide 3 by 2 and get 1. A rhombus as an area of 72 ft and the product of the diagonals is. Well, that would be the area of a rectangle that is 6 units wide and 3 units high. It gets exactly half of it on the left-hand side. That's why he then divided by 2. Now let's actually just calculate it. 6 6 skills practice trapezoids and kites quiz. Therefore, the area of the Trapezoid is equal to [(Area of larger rectangle + Area of smaller rectangle) / 2].
6-6 Skills Practice Trapezoids And Kites Answers Geometry
Think of it this way - split the larger rectangle into 3 parts as Sal has done in the video. In Area 3, the triangle area part of the Trapezoid is exactly one half of Area 3. Created by Sal Khan. These are all different ways to think about it-- 6 plus 2 over 2, and then that times 3. So that is this rectangle right over here. Now, what would happen if we went with 2 times 3? Then, in ADDITION to that area, he also multiplied 2 times 3 to get a second rectangular area that fits exactly over the middle part of the trapezoid. What is the formula for a trapezoid? So that would give us the area of a figure that looked like-- let me do it in this pink color. Either way, you will get the same answer. 6-6 skills practice trapezoids and kites answers geometry. Let's call them Area 1, Area 2 and Area 3 from left to right. In Area 2, the rectangle area part. So it completely makes sense that the area of the trapezoid, this entire area right over here, should really just be the average. In other words, he created an extra area that overlays part of the 6 times 3 area.
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If you take the average of these two lengths, 6 plus 2 over 2 is 4. The area of a figure that looked like this would be 6 times 3. So you could imagine that being this rectangle right over here. And what we want to do is, given the dimensions that they've given us, what is the area of this trapezoid.
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Why it has to be (6+2). Now, it looks like the area of the trapezoid should be in between these two numbers. Either way, the area of this trapezoid is 12 square units. If we focus on the trapezoid, you see that if we start with the yellow, the smaller rectangle, it reclaims half of the area, half of the difference between the smaller rectangle and the larger one on the left-hand side. Well, that would be a rectangle like this that is exactly halfway in between the areas of the small and the large rectangle. Hi everyone how are you today(5 votes). Want to join the conversation? That is a good question! 6th grade (Eureka Math/EngageNY). 6 6 skills practice trapezoids and sites on the internet. 6 plus 2 divided by 2 is 4, times 3 is 12.
6 6 Skills Practice Trapezoids And Sites On The Internet
How to Identify Perpendicular Lines from Coordinates - Content coming soon. It should exactly be halfway between the areas of the smaller rectangle and the larger rectangle. That is 24/2, or 12. Multiply each of those times the height, and then you could take the average of them. Sal first of all multiplied 6 times 3 to get a rectangular area that covered not only the trapezoid (its middle plus its 2 triangles), but also included 2 extra triangles that weren't part of the trapezoid. All materials align with Texas's TEKS math standards for geometry. A width of 4 would look something like that, and you're multiplying that times the height. So that's the 2 times 3 rectangle. Maybe it should be exactly halfway in between, because when you look at the area difference between the two rectangles-- and let me color that in. Area of trapezoids (video. So what do we get if we multiply 6 times 3? Now, the trapezoid is clearly less than that, but let's just go with the thought experiment. So it would give us this entire area right over there.
So when you think about an area of a trapezoid, you look at the two bases, the long base and the short base. So, by doing 6*3 and ADDING 2*3, Sal now had not only the area of the trapezoid (middle + 2 triangles) but also had an additional "middle + 2 triangles". So let's just think through it. 6 plus 2 times 3, and then all of that over 2, which is the same thing as-- and I'm just writing it in different ways. Or you could also think of it as this is the same thing as 6 plus 2. It's going to be 6 times 3 plus 2 times 3, all of that over 2. I hope this is helpful to you and doesn't leave you even more confused! Okay I understand it, but I feel like it would be easier if you would just divide the trapezoid in 2 with a vertical line going in the middle. 6 plus 2 is 8, times 3 is 24, divided by 2 is 12. Our library includes thousands of geometry practice problems, step-by-step explanations, and video walkthroughs. You're more likely to remember the explanation that you find easier.
With a higher concentration marine additive package, Premium Plus 2-Stroke Marine Engine Oil Synthetic Blend is formulated for high-horsepower two-stroke outboards, including direct fuel-injected engines. Always ensure your oil has the following properties in order to function correctly: - Excellent seal compatibility. Screw the pump adapter into the drain plug and with the one vent engine pump till you have oil coming out and then a little more to reduce the bubbles. Formulated for all marine diesel engines, including Mercury, MerCruiser® and D-Tronic, 15W-40 Heavy Duty Diesel Engine Oil helps control the formation of sludge and varnish deposits in high-stress applications to protect diesel emissions systems, diesel particulate filters and Selectively Catalytic Reduction Systems. In this guide, we'll take a closer look at the wide variety of oils and gear lubes offered in the Mercury Precision Lubricants product line to help you select the best choice for your engine or gearcase. 90 hp mercury outboard lower unit oil look like. Also having a look at the oil during a Mercury outboard lower unit oil change will give you details on the state of the motor's internal components. The only thing that I do additional is, replace the gaskets around the drain and vent plugs. It's FC-W and FC-W Catalyst Compatible and exceeds all marine industry oil requirements to help maintain peak engine performance and reliability.
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Then with a cleaned off magnet on the drain has it, some don't, remove the pump adapter and insert the screw. The additive in such oil is normally of a higher water demulsability and has corrosion protection. Changing the lower unit oil of a Mercury outboard provides the proper lubrication for the internal components of the motor, while removing normal shavings from the oil. Go to WW and as Chris and wired said buy a quart of Quicksilver/Mercury Premium LU oil in the quart in the package that has the pump. 25W-40 Mineral 4-Stroke Marine Engine Oil provides excellent resistance against wear and corrosion along with industry-leading shear strength and viscosity retention. 2000 90hp Mercury lower unit oil. 85W-90 Extreme Performance Gear Lube is recommended for use in racing, high-performance and extreme-duty gearcase applications.
25W-40 Synthetic Blend 4-Stroke Marine Engine Oil meets the stringent requirements of high-performance Mercury outboard models and other brand engines. On the 3 cyl engine like mine, there are 2 vent plugs on top. It stays in grade under the most extreme conditions to ensure proper lubrication in a wide temperature range and is recommended for use in all Mercury Racing® FormulaRace and Verado® four-stroke outboards as well as non-catalyzed high-horsepower four-stroke marine engines. Mercury outboard motor lower unit oil. Choose the right lubricant for your engine or gearcase. On the 6 cyl engines remove the vent plug at the top and drain on the bottom.
NOTE: Mercury Premium SAE 80W90 Gear Lube should not be mixed with Mercury High-Performance SAE 90 Gear Lube. A marine specific lower unit gear lubricant should only be utilized in a Mercury outboard. They are not cheap at the dealer, I think they gouged me for $9. On the 2 vent plugs do the same as before but when the oil starts coming out of the front vent, plug it and continue pumping until it also comes out of the aft plug and cap it. This process can easily take between 5-10 minutes. 90 hp mercury outboard lower unit oil company. Continue to add oil until the lubricant is flowing freely from the top hole and is free from any air bubbles. Enhanced gear, bearing and seal cleanliness. 5W-30 Full Synthetic Turbocharged Direct Injection Diesel Engine Oil resists thermal breakdown and oxidation under extreme conditions to optimize Turbocharged Direct Injection (TDI) diesel engine performance in marine applications.
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Tighten both the lower and upper drain plugs and wipe off any oil that may have fallen on to your lower unit. It's FC-W and FC-W Catalyst Compatible and recommended for all brands of four-stroke outboards. Quickly remove the bottle from the bottom hole and install the drain plug. West Marine has them as well as your local Merc dealer. For use in all outboard lower units and jet pumps below 75 hp except outboards with electric shift gears.
Excellent resistance to water and moisture. Excellent instructions. THanks if anyone reallly knows for sure:) No guessing. Some oil will begin to trickle out so you need to make sure that the oil drain pan is positioned correctly to catch the draining oil. Fishing line wound around the prop shaft of your outboard is a real drag. SAE 90 High-Performance Gear Lube was engineered to extend gear life in high-speed and high-horsepower sterndrive and outboard gearcase applications. Developed to eliminate thermal breakdown under extreme rpm, temperatures and loads, it provides the best wear and corrosion prevention for any engine, especially those operating at maximum output and high temperatures for extended periods of time. Allow all of the oil to drain completely from the lower unit. Place an oil drainage pan beneath the outboard where you will remove the bottom drain plug.
Its clean-burning formula reduces carbon build-up in exhaust systems and provides superior lubrication in premix or oil-injected two-stroke applications. 10W-30 Full Synthetic 4-Stroke Marine Engine Oil contains 45 percent more dispersants, 24 percent more detergents and 49 percent more anti-wear additives than the synthetic blend. 52 2-4-C Marine Grease With Teflon - 8oz $12. It also provides excellent shear stability to protect internal engine components against corrosion and wear.
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We recommend original manufacturer marine oil for best performance and longivity. It provides outstanding shear strength and viscosity stability for better bearing protection and superior corrosion prevention. Ensure that you have the washers (mine are blue) under the screws to seal the screws. Mercury Marine 92-858058K01 (80W-90) Premium Gear Lube.
Makes it a nice clean simple job. I want to change it out but want to find out how much it holds and what type. 25W-50 Synthetic Blend 4-Stroke Marine Engine Oil is formulated with additives designed to maintain performance under high-heat and high-rpm conditions. Im guessing mercurys lower unit oil... but I dont know if it needs to be synthetic or not or what. 00 (2) High Performance Multi-Purpose Extreme Grease - 8oz $12. Drain the Oil: Now remove the top drain plug; this will release the vacuum that exists and allow the oil to drain freely from the Mercury lower unit. Not fixing this problem will result...
Great protection of components from rust and corrosion in dry conditions and in moist conditions. Mercury Marine gear lube outperforms automotive gear oil in marine applications because of its specialized additive package designed for marine gear cases. Even though there is a slight vacuum there will be some loss of oil. Add Oil: To refill the lower unit, insert the bottle or tube into the bottom drain hole and slowly squeeze the bottle to force the oil into the lower unit. Recognizing these demands, Mercury Precision Lubricants® products are formulated to meet the unique needs of marine engines with specially designed additives that reduce friction and protect against engine wear and internal corrosion. 2000 90hp Mercury lower unit oil. Premium 2-Stroke Engine Oil is formulated to meet the needs of low- to mid-horsepower two-stroke outboard engines under general marine operating conditions. Thereafter you will need to locate and identify both the upper and lower Fill and Drain Plugs. Use a big screwdriver to keep from dinging up the screw slots and get them tight using both hands. There are various tools available in order to re-fill the oil, such as squeeze bottles and tubes.
Mercury Outboard Motor Lower Unit Oil
When not on the water, marine engines often sit in storage for long periods of disuse during the off-season. 10W-30 Mineral 4-Stroke Marine Engine Oil provides outstanding lubricity for internal engine components to reduce wear, scuffing and scoring for improved long-term reliability, making it a good choice for Mercury and other brand four-stroke outboard engines. It contains extreme pressure synthetic additives to protect gears from metal-to-metal contact and provide excellent protection against corrosion and excessive wear. 2 items Sort by Featured Price - Low to High Product Name Filter by Price $10.
It seems that the easiest way for most people is to use a squeeze bottle. It provides maximum protection for OptiMax and DFI engines, outperforming other oils by combining a modified base stock blend with a synthetic additive package that provides superior resistance to piston scuffing, minimizes carbon build-up and helps maintain engine top-end speed and acceleration. It outperforms automotive gear oil in marine applications by providing maximum protection against excessive wear in the presence of water and helps prevent corrosion and pitting. Read more about brand name vs generic oils here. Two-Stroke Marine Engine Oils. It contains advanced corrosion inhibitors and is FC-W® and FC-W Catalyst Compatible®. The first engine manufacturer to develop oils that meet the National Marine Manufacturers Association® (NMMA) FC-W® standards for all four-stroke engines, Mercury rigorously tests its Precision Lubricants products to meet our high standards to protect your outboard, inboard or sterndrive engine and provide many years of reliable service and fun on the water.
Mercury lower unit oil changes are an important part of maintaining an outboard motor. Also, be sure to consult your outboard motor's owner manual to verify the steps above are in agreement with the manufacturer's recommendation for changing lower unit oil. Continued use of this gear case lubricant will: Provide maximum protection against excessive wear - even in the presence of water Prevent corrosion and pitting Help extend gear life. It reduces rust and corrosion of internal components and meets or exceeds all outboard and personal watercraft manufacturers' recommendations for use of TC-W2® and TC-W3® oils in premix and oil-injected two-stroke applications.
Keep the bottle or tube in the bottom pug and reinstall the top plug. It protects anti-pollution systems, increases the life of diesel particulate filters (DPF) and provides outstanding wear and corrosion prevention to help extend engine life.