Answer:
8=58.5°
9= 125°
10= 55°
Explanation:
8.) 31.5 + 90 = 121.5 - 180 = 58.5°
9.) 25 + 30 = 55 - 180 = 125°
10.) 45 + 80 = 125 - 180 = 55°
8=58.5 9=125 10=55
a triangle equals 180. so by add the angles we do know than subtracting the answer from 180. is our final answer
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