Question

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

Answer 1

Answer:

if angles are in AP

then they are

x -1 , x , x+1

we know

sum of all angle of triangle = 180

x-1 + x + x + 1 = 180

3x = 180

x = 60

x -1 = 60-1 = 59 = first angle

x = 60 = second angle

x + 1 = 60+1 = 61 = third angle

then all angles are 59, 60, 61