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Find the area of this triangle ifC = 77, a = 57, and b = 8.9.

User Nalum
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1 Answer

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Using Law of sines:

Area = 1/2 ab sin C

Replacing:

Area = 1/2 √57 (8.9) sin (7pi/12)

Area = 32.5 units2

User Geoduck
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