Calculate 81950

The tangent of the angle formed by the adjacent sides of the triangle ABC (side a=29 m, b = 40 m) equals 1.05. Calculate the area of that triangle.

Correct answer:

S =  420 m2

Step-by-step explanation:

a=29 m b=40 m t=1.05  t = tan γ γ=arctant=arctan1.050.8098 rad  S=2a b sinγ=229 40 sin0.8098=420 m2

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