Question

Solve for x.
R
H
Р
30°
80°
4x + 2
l

Answer 1

x=12

4x+2=50°

Explanation:

the sum of the angles of a triangle are 180°

the angles on a straight line add up to 180° hence 180-80=100°

therefore

30+100+4x+2=180

4x=180-132=48

x=48

then substitute and you'll get x=12 and the angle 50°