Question

In the adjoining figure, the value of x that will make the lines l and m parallel is:
(a) x = 20°
(b) x = 30°
(c) x = 60°
(d) x = 80°

Answer 1

Answer:

Question:- Find x

Given:-

L parallel to M

N is a transversal

Solution:-

If L parallel to M

and N is a transversal

then

5x+4x=180° (co interior angles are supplementary)

9x=180

x=180/9

x=20°

therefore the angels are

4x=4×20=80

5x=5×20=100