Respuesta :

Brianoki
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.