Question

In the figure AB is the diameter of the semicircle
a) what is the measure of angle ACB?
b) what is the measure of angle ADB?
c) If angle AMD = 30 degree, what is the measure of angle BMC?​

Answer 1

$\huge \mathfrak{solution}$

a) ∠ACB = 180°

b) ∠ADB = 90°

© ∠BMC = 45°