Question

Given a = 690 m, b = 673 m, and c = 415 m, find the measures of the angles A, B, and C to the nearest hundredth.

Answer 1

well draw a triangle



all you need is the cosine rule in the form to find an angle

\[\cos(C) =\frac {a^2 + b^2 - c^2}{2ab}\]

adjust the formula to find angle B

angle A can be found by angle sum of a triangle.

Answer 2

apples

Answer 3

@kingvssj00

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