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Lengths of Tangents Drawn from External Point

If the distan...

Question

If the distance between two parallel tangents of a circle is 12 cm, then its radius is cm.

A

4

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B

5

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C

6

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Solution

The correct option is C 6
As we know, tangents which passes through diametrically opposite points are parrallel to each other.
$\Rightarrow$ Distance between two parallel tangents of a circle = length of diameter
$\Rightarrow$ 12 cm = $2 \times$ Radius
$∴$ Radius = 6 cm

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