Question

hello ans this please​

Answer 1

Answer:

2)sum of their angles are 180°

6y+30+4y=180°

10y=150

y=15°

6×15+30=120°

4×15=60°

3) let the angles be 5x, 7x

5x+7x=180°

12x=180°

x=15°

5×15=75°

7×15=105°

4)question not in proper way

Hope it's helpful mark as brainlest