bianca16 bianca16

16-03-2017
Mathematics

contestada

Find the area of the triangle with A = 63°, b =9 feet, and c = 7 feet. Round to the nearest tenth

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sqdancefan sqdancefan

25-07-2019

Answer:

28.1 ft²

Step-by-step explanation:

The area formula for this case is ...

area = (1/2)bc·sin(A) = (1/2)(9 ft)(7 ft)sin(63°) ≈ 28.067 ft² ≈ 28.1 ft²

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