Find the ratio of the area of two circles whose radii are 3cm and 4cm
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Area of the ist circle =22/7*3*3
Area of the second circle=22/7*4*4
Ratio of Cicle 1 and circle2nd=22/7*3*3/22/7*4*4=9/1`6
=9:16
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area of circle when radius is 3cm
22/7*3*3 -------1
area of circle when radius is 4cm
22/7*4*4 ------2
dividing 1 and 2
we have 9/16
hence 9/16 is the ratio
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