Question

In triangle ABC,angle A + angle B = 80° and angle B +angle C =150°. Then find the measure of each angle of triangle ABC

Answer 1

Answer:

let angle C be X

then

angle A+ angle b+ angle c= 180°

80°+angle c=180°

angle c=180°-80°

angle c= 100°

according to question

angle b + angle c= 150°

so angle b + 100°= 150°

angle b=150°-100°=50°

so angle a= 30°