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PQRS is a rectangle. The ratio of the si...

PQRS is a rectangle. The ratio of the sides PQ and QR is 3:1. If the length of the diagonal PR is 10cm, then what is the area (in `cm^2`) of the rectangle?

A

`15`

B

`30`

C

`45`

D

`20`

Text Solution

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The correct Answer is:
C
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