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In an isosceles DeltaPQR,PR=QR and PQ^2=...

In an isosceles `DeltaPQR`,PR=QR and `PQ^2=2PR^2`, then `angleR`=

A

`60^@`

B

`30^@`

C

`90^@`

D

`45^@`

Text Solution

Verified by Experts

The correct Answer is:
C
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