At the intersection of two lines

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

Problem

At the intersection of two lines, one angle measures

(4x - 10)^\circ

and the angle vertically opposite to it measures

(2x + 50)^\circ

. Calculate their common measure. (a)

90^\circ

(b)

110^\circ

(c)

70^\circ

(d)

100^\circ