Question

find the value of x in each of the following​

Answer 1

Step-by-step explanation:

Solution:

x+120°=180°

x=180°-120°

x=60°

(x + 2x + x + 20 + 60)° = 360°

(4x + 80)° = 360°

4x = 360°-80°

4x = 280°

x = 280°/4

x = 70°

x° = 70°

2x° = 2*70°

= 140°

(x+20) ° =( 70 + 20) °

= 90°