Question

Determine the measures of all the angles in each diagram

Answer 1

x = 36, x = 100

Explanation:

1. x + 4x = 180

5x = 180

/5 /5

x = 36

2. x + x - 20 = 180

2x - 20 = 180

+ 20 + 20

2x = 200

/2 /2

x = 100