Question

I also need help with this one

Answer 1

as the summation of all angles in a triangle must be 180

∠H = 180 - (130 +20)

= 180-150

=30

as the straight line has an angle of 180

∠G= 180 - 130

= 50

since that

∠f = 180- (50+60)

=180- 110

=70

answer is C

Answer 2

it is c.

explanation:

20+130+h =180

when you solve you get h=50

130+g = 180

g= 50

50+60+f = 180

f=70