A transversal intersects two parallel lines

MATHEMATICS · Multi-part · GCSE · Mathematics · Geometry and Measures · Geometry and Measures

Problem

A transversal intersects two parallel lines. The two consecutive interior angles formed are

(7y - 4)^{\circ}

and

(5y + 16)^{\circ}

, respectively. (i) Find the value of

y

. (ii) Determine the measure of each of the two angles.