Question

three angle of a triangle are in the ratio of 5:2:2. find measure of the angle​

Answer 1

Step-by-step explanation:

let the 3 angles be 5x , 2x nd 2x

we know,

5x +2x+2x=180°

9x=180°

x=20°

5x = 20°×5

=100°

2x=20°×2

= 40°