Question

the angle of triangle are (x-40°),(x-20°)and(x-10°) find the value of x and then the angles of triangle

Answer 1

x-40° +x-20°+x-10°=180°
3x-70° = 180°
3x=180°+70°
x=250°/3=83.3°
=> x-40°= 83.3°-40°=43.3°
=> x-20°= 83.3°-20°=63.3°
=> x-10°= 83.3°- 10° =73.3°

Answer 2

solution of your question.