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CBSE Class 9 Answered

2/3rd of a parallelogram
Asked by patshubhangi | 29 Oct, 2009, 10:22: PM
Expert Answer

Let the angle be x.

The adjacent angle is 2/3 x.

We know that the cointerior angles are supplementary.

⇒ x + (2/3)x = 1800

⇒ 5/3 x = 1800

So, x = 1080

So, the adjacent angle is 720

 

Answered by | 05 Nov, 2009, 12:15: PM
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