a point P is 15 cm from the centre of a circle. the radius if the circle is 5 cm .find the length of the tangent drawn to the circle from the point P.
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Let OR is the radius and PR is the tangent..
OP= 15 cm
So...
By P. G. T.
PR^2 = OR^2 + OP^2
PR^2 = 5^2 + 15^2
= 25 + 225
= 250
PR. = Root 250
PR = 15.81 cm
Hence the tangent is 15.81 cm.
I hope it's helpful for you.
OP= 15 cm
So...
By P. G. T.
PR^2 = OR^2 + OP^2
PR^2 = 5^2 + 15^2
= 25 + 225
= 250
PR. = Root 250
PR = 15.81 cm
Hence the tangent is 15.81 cm.
I hope it's helpful for you.
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