Question

Q. 13 The angles of a triangle are in AP. The greatest angle is twice the least
.
Find all the angles of the triangle.​

Answer 1

Answer:

40,60,80

Step-by-step explanation:

Let the angles be a−d,a,a+d.

& 2(a−d)=a+d,

2a−2d=a+d,

a=3d⟶(i)

a−d+a+a+d=180°,

3a=180°,

a=60°.

d=20°.

a−d,a,a+d=40,60,80.