Question

8 ABCD is a parallelogram with Angle B = to 120 degree find the value of p q and r​

Answer 1

Answer:

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Answer 2

ANSWER

Since ABCD is a parallelogram, AB∥DC and AD∥BC

Now, AB∥DC and transversal BD intersects them.

∴∠ABD=∠BDC since alternate angles are equal.

⇒10x=60

∘

⇒x=

10

60

∘

=6

∘

And, AD∥BC and transversal BD intersects them.

∴∠DBC=∠ADB

⇒4y=28 °

⇒y=

4

28°

=7 °

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