Two parallel lines are intersected by a transversal

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

Problem

Two parallel lines are intersected by a transversal. A pair of alternate interior angles are

(1.5x + 10)^{\circ}

and

(2.5x - 20)^{\circ}

. Determine the value of

x

. (a)

25

(b)

30

(c)

10

(d)

45