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In P Q R , right-angled at Q ,\ P Q=...

In ` P Q R` , right-angled at `Q ,\ P Q=3c m` and `P R=6c m` . Determine `/_P` and `/_R` .

A

`30^@`

B

`60^@`

C

`45^@`

D

`90^@`

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