Question

find the values of x, y and z.
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Answer 1

Answer:

x + 80=180 linear pair

x=100

Angle sum property of triangle

45+100+z=180

z=35

35+y=180 linear pair

y=145

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Answer 2

80+x = 180 (Linear Pair)

x = 100°

y = x+45 (Exterior Angle)

y = 145°

y+z = 180 (Linear Pair)

z = 180-145 = 35°

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