Answers

2015-12-18T17:32:41+05:30
0.75 cm Is the radius of the circle
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2015-12-23T08:51:17+05:30
First of all , a circle is symmetric from all sides .

Construct 12cm and 6cm chords on all 4 sides such that you finally get a 12cm x 6cm rectangle .

The length of diogonal will give diameter of the circle .

radius = { sqrt ( 144 + 36 ) } / 2 = 3 sqrt (5)

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