Question

maths Std 8 find the value of x and y in the given parelelogram. ( A) 2y-1​

Answer 1

Answer:

Solution

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Adjacent angles of a parallelogram are supplementary.

⇒120

∘

+(5x+10)

∘

=180

∘

⇒5x+10

∘

+120

∘

=180

∘

⇒5x=180

∘

−130

∘

⇒5x=50

∘

⇒x=10

∘

Also, opposite angles of parallelogram are equal.

⇒6y=120

∘

⇒y=20

∘

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