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Let alpha chord of a circle be that chor...

Let `alpha` chord of a circle be that chord of the circle which subtends an angle `alpha` at the center.
If `x+y=1` is a chord of `x^(2)+y^(2)=1`, then `alpha` is equal to

A

`(pi)/(6)`

B

`(pi)/(4)`

C

`(pi)/(2)`

D

`(3pi)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
`alpha=(pi)/(2)`
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