Question

If m∠b is 32°, what is the m∠d?

Answer 1

∠ d = 58°

Explanation:

b, c and d lie on a straight line and sum to 180° , that is

∠ b + ∠ c + ∠ d = 180°

32° + 90° + ∠ d = 180°

122° + ∠ d = 180° ( subtract 122° from both sides )

∠ d = 58°