The distance between two parallel tangents of a circle of radius 3 cm is ?

 

Let O be the centre of the circle. Let l and m are two parallel tangents of the circle.

Radius of the circle = 3 cm.

 

Distance between two parallel tangents

= AB

= AO + OB

= 3cm + 3 cm

= 6 cm

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 6cm

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The diameter is the distance between them , 

so since the radius is 3 cm , the distance between them is 6 cm .

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