Question

Plzz solve it. Question no. 9................

Answer 1

Ext angle=128°

int angle =180°-128°=52°

now the other 2 angles are x:3x

x+3x=180°-52°

4x=128°

x=128°/4=32°

The least angle=32°

largest=3x=3*32°=96°

difference=96°-32°=64°

Thats the answer

Answer 2

Here is your answer in the attachment

Hope it helps you