Question

ABCD is a parallelogram Find x,y,2​

Answer 1

Answer:

AD∥BC,BD is the transversal line

⟹∠ADB=∠DBC (∵alternate angles)

⟹z=30

∘

Also

100

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,x are supplementary angles

So x=180

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−100

∘

=80

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x,y,30

∘

forms a triangle

⟹x+y+30

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=180

∘

⟹y=180

∘

−80

∘

−30

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=70

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