Question

angle A = x degrees + 60 degrees B=x C=3x+20 degrees find x​

Answer 1

Answer:

x= 20°

Step-by-step explanation:

Given angle A= x°+60°

angle B= x°

angle C= 3x°+20°

It is angke of an triangle

so angle A+ angle B+ angle C= 180°

by substituting the value of three angles

x°+60°+x° +3x°+20°= 180°

5x°+ 80°= 180°

5x°= 180°-80°

5x°=100°

x= 100/5

x= 20° answer