Two angles are supplementary and can be expressed as and .

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

Problem

Two angles are supplementary and can be expressed as

2y + 30^{\circ}

and

3y - 20^{\circ}

. (a) Find the measure of each angle. (b) State the type of each angle (acute, right, obtuse, straight or reflex).