Lines and are parallel and are intersected by transversal

MATHEMATICS · Single correct · CBSE · Mathematics · Lines and Angles · Lines and Angles

Problem

Lines

l

and

m

are parallel and are intersected by transversal

n

. Two alternate exterior angles are

(3x + 4)^\circ

and

(7x - 20)^\circ

. Find the value of

x

. (a)

4

(b)

6

(c)

20

(d)

5