M ∠ 7 = ______ °
m ∠ 8 = ______ °
m ∠ 9 = ______ °

Answer:
Step-by-step explanation:
m∠7 = 360° ÷ 6 = 60 °
m∠8 = 60° ÷ 2 = 30 °
m∠9 = ( [tex]\frac{180-60}{2}[/tex] )° = 60 °