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In acute-angled triangle ABC, AD is the ...

In acute-angled triangle ABC, AD is the altitude, Circle drawn with AD as its diameter cuts the AB and AC at P and Q, respectively. Length PQ is equal to

A

`(Delta)/(2R)`

B

`(abc)/(4R^(2))`

C

`2R sin A sin B sin C`

D

`(Delta)/(R)`

Text Solution

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The correct Answer is:
B, D
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