Question

Find the measure of angle B in triangle ABC below.Explain

Answer 1

B ≈ 76°

Explanation:

∆ABC is a right triangle

Reference angle = B

AC = 8 units = Opposite

BC = 4 units = Adjacent

Thus, apply TOA:

Tan B = Opp/Adj

Tan B = 8/2

Tan B = 4

B = Tan^{-1}(4)

B ≈ 76°