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Given an isosceles triangle with equal s...

Given an isosceles triangle with equal side of length b and base angle `alpha lt pi//4` then
the circumradius R is given by

A

`(1)/(2)b "cosec" alpha`

B

`b "cosec" alpha`

C

2b

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
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