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Please help I don't know how to do and its very urgent!​

Please help I don't know how to do and its very urgent!​-example-1

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Explanation:

42° + x = 115° (alternate angles)

x = 115° - 42°

x = 73°

y = 180° - (115° + 42°) (by angle sum property of triangle)

y = 180° - 167°

y = 13°

z = 42° (corresponding angles)

User Alexander Finn
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