Question

Find the lettered angle in each case

Answer 1

1. x = 40
2. a = 85
3. y = 75
4. x = 30

Answer 2

(1) 70 = x + 30 ⇒ x = 70-3 = 40°

(2) a = 35+50 = 85°

(3) y = 30+45 = 75°

(4) 100 = x+70 ⇒ x = 100-70 = 30°