Question

The angles of a triangle are (X-40°),(x-20°).(
10° )
Find the value of x and then find the angles of the triangle.​

Answer 1

Step-by-step explanation:

(x-40°)+(x-20°)+10° = 180°

x-40°+x-20°+10°=180°

2x-50°=180°

2x=180°+50°

2x=230°

x=230°/2

x=115°

Hence 1st angle = 115°-40°=75°

2nd angle =115°-20°=95°

3rd angle =10°