Find the area of the triangle with A = 42 degrees, b = 8 feet, and c = 5 feet. Round to the nearest tenth.

Question

Mathematics

Diva

7 August, 06:44

Find the area of the triangle with A = 42 degrees, b = 8 feet, and c = 5 feet. Round to the nearest tenth.

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Answers (1)

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Bryant Brooks · Answer 1

We will use the formula:

Area = 1/2*a*c*sinB

where a and c are the length of the sides and B is the angle between those 2 sides

Area = 1/2*5*8*sin42

Area = 20*sin42

sin 42 = 0.669130606359

Area = 13.38261212718

Rounded to the nearest tenth Area is equal to 13.4