Question

Please give the answers explaintion also

Answer 1

all angel sum is 360 degree

then,

x+x+10 +120=360

2x +130=360

2x=360-130

x=230/2

x=115

Answer 2

Answer:

In the figure ,

x + 120°+( x+ 10°) = 360°

2x + 130° = 360°

2x= 360°- 130°

2x= 230°

x = 230°/2 = 115°

Hope it helps you