mensuration-2

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please tell me that if

a circle is inscribed in a regular polygan of which side is given (say 3cm)
then how to find the radius of the circle??
help me!!!!!!

Subject: Re: mensuration-2 Sun Feb 24, 2008 10:40 pm

Depends on the polygon. How many sides does it have?

Active member

it is a hexagon

Subject: mensuration2 Thu Jan 29, 2009 12:17 am

Draw 3cm line, based on formula (2n-4)*90 deg div5, then take another arc of 3cm and cut apoint.Draw a perpend.. bis... on the 3cm arc drawn , ext.. the 2 arcs again take 3cm arc and cut four arcs to form regu.. penta.... .

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isn't it div by 6??? since its a hexagon??

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someone tell?

Active member

hey
yes it shud be 6 coz it is a hexagon.....
may be biswajit was wrong...coz he has written
"ext.. the 2 arcs again take 3cm arc and cut four arcs to form regu.. penta.... ."

now try n solve it??

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thanks,shruti