Answer:
180-116=64
Explanation:
Angles sums should be 180 since it is straight angle
m∠7 = 64°
∠7 and ∠8 are supplementary meaning they add up to 180°.
m∠7 + m∠8 = 180°
m∠7 + 116° = 180°
8.0m questions
10.7m answers