If sides A and B of a triangle have lengths of 8 and 6 respectively, and the angle between them is (7pi)/8, then what is the area of the triangle?

1 Answer
Jim G.
Feb 11, 2016

≈ 9.84 square units

Explanation:

Given a triangle with 2 sides and the angle between them known the area of the triangle can be calculated using :

area = 1/2ABsintheta

where thetacolor(black)(" is the angle between the 2 sides ")

here A = 8 , B = 6 and theta =(7pi)/8

hence area = 1/2 xx 8 xx 6 xx sin((7pi)/8) ≈9.84

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