Question

find the value of unknowns x and y in the following diagram​

Answer 1

Step-by-step explanation:

y + 120 = 180

y = 180-120= 60

y = 60 °

x + y + 50 = 180

x + 60+50 = 180

x + 110 = 180

x = 180-110

x = 70 °

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Answer 2

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y + 120 = 180 (exterior angle property)

y = 180-120= 60

y = 60 °

x + y + 50 = 180

x + 60+50 = 180(angle sum property)

x + 110 = 180

x = 180-110

x = 70 °