Question

Question 1
Find the measure of each angle indicated.

Answer 1

90

Explanation:

Answer 2

90

Explanation:

x + 70 =120 {Exterior angle theorem}

x = 120 - 70

x = 50

y = x {Vertically opposite angles}

y = 50

z + 50 + 40 = 180 {Angle sum property}

z + 90 = 180

z = 180 - 90

z = 90