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Maths-

SAT

Easy

Question

In the figure, three lines intersect at point P. If x=65 and y=75,what is the value of z?

140
80
40
20

The correct answer is: 40

By property of vertically opposite Angle
x + y + z = 180⁰
65⁰ + 75⁰ + z = 180⁰
140⁰ + z = 180⁰
z = 180⁰ – 140⁰ = 40⁰

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