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A, B and C are three points on the circl...

A, B and C are three points on the circle. If AB = AC= `7 sqrt2` cm and `angle BAC=90^@`, then the radius is equal to:
वृत्त पर A, B और C तीन बिंदु हैं। यदि AB = AC = 72cm और `angle BAC=90^@` है, तो त्रिज्या है

A

14

B

7

C

`7 sqrt2`

D

6

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