Find the radius of circle where diameter of circle is $11 c m$ $?$

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Solution

Finding the radius of the circle.
Diameter is the longest chord passing through the centre of the circle, it is twice the radius of the circle. So radius is half of the diameter
$D i a m e t e r = 2 \times r a d i u s$
$r a d i u s = d i a m e t e r \div 2$
$= 11 \div 2$ $(d i a m e t e r = 11 c m, g i v e n)$
$= 5.5 c m$
Hence, the radius of the circle is .

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