Question

Please help, give explaintion

Answer 1

Answer:

5y,3y,2y.

5y+3y+2y=180°.

10y=180°.

y=180°/10.

y=18°.

5y=5(18°)=90°.

3y=3(18°)=54°.

2y=2(18°)=36°.

I think this is your answer.