Question

Find the measure of each angle​

Answer 1

y = 21

Explanation:

The given angles are vertical angles and has same measurement

4y - 42 = 2y

4y - 2y = 42

2y = 42

y = 21

The measure of first angle

4y - 42 ➡ 4 × 21 - 42 = 42°

2y ➡ 2 × 21 = 42°