Question

ABCD is a parallelogram. Find the value of x, y and z .
(State the reasons)



it is very urgent​

Answer 1

Answer:

Answer

From the figure

AD∥BC,BD is the transversal line

⟹∠ADB=∠DBC (∵alternate angles)

⟹z=30

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Also

100

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,x are supplementary angles

So x=180

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−100

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=80

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x,y,30

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forms a triangle

⟹x+y+30

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=180

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⟹y=180

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−80

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−30

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=70

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