Question

I need the answers of 1 and 2
U answer and I mark as brainliest

Answer 1

1)80°+25°+x=180°[angle sum property]
x=180°-105°
X=75°

2)2x+6x+X=180
9x=180
X=20°

3)X+X+40=180
2x=180-40
2x=140
X=70

4)3x+2x+90=180
5x=90
X=18°