The length of the tangent drawn to a cir...

The length of the tangent drawn to a circle with radius 'r' from a point P which is 'd' units from the centre is ……

A

`sqrt(d^2-r^2)`

B

`sqrt(d^2+r^2)`

C

`sqrt(dr)`

D

`sqrt(d+r)`

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TANGENT AND SECANTS TO A CIRCLE
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VGS PUBLICATION-BRILLIANT-TANGENTS AND SECANTS TO A CIRCLE-EXERCISE

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