Matthew is planning to fertilize his grass. Each bag of fertilizer claims to cover 500 sq ft of grass. His property of land is approximately in the shape of a triangle. He measures two sides of his yard to be 75 ft and 100 ft and the angle between them is 72∘. How many bags of fertilizer must he buy?
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Answer:
7 bags
Step-by-step explanation:
Area formula with sine
: 12(75)(100)sin72∘≈3566 ft2
,Number of bags 3566500≈7.132≈8 bags. We round up because 7 bags is not quite enough.
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