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Pascoe is wrapping a gift that is in the shape of a rectangular prism. The gift measures 8.5 inches on each side, but Pascoe would like to leave the top of the gift unwrapped. How much wrapping paper would he need? Round your answer to the nearest hundredth.
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Chet is preparing for a camping trip with his family and purchased the tent pictured below, which is a triangular prism. Chet wants to cover all sides of the tent in waterproofing. How much are will he need to cover?
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American coins are actually very small cylinders! Pennies have a diameter of 19.05 mm, a height of 1.52 mm, and are made of copper plated zinc. If the United States Mint wanted to save money on the cost of coating new pennies by decreasing the amount of copper by half, could they accomplish this by decreasing the height of the penny by half?
Yes, halving the height will provide a surface area of 660.68 mm2, which is half the original surface area.
Yes, halving the height will provide a surface area of 330.34 mm2, which is half the original surface area.
No, halving the height will provide a surface area of 615.22 mm2, which is not half the original surface area.
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An art teacher is going to use paper mache to cover these equilateral triangular pyramids. Determine how much paper mache she will need by calculating the surface area of the shape. Round your answer to the nearest tenth.
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