Each regular polygon has radii and apothem as shown. Find the measure of
each numbered angle.

Answer:
Step-by-step explanation:
m∠1 = 360° ÷ 8 = 45°
m∠2 = 45° ÷ 2 = 22.5°
m∠3 = ( 180° - 45° ) ÷ 2 = 67.5°