1 answer:
1. 180 - 50 = 130
130 ÷ 2 = 65
2. 20 + 30 = 50
180 - 50 = 130
3. 110 + 35 = 145
180 - 145 = 35
4. 60 + 60 = 120
180 - 120 = 60
Note: All angles of a triangle add up to 180 which is why your subtracting from 180.
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