If the radius of circle is increased by 15% then its area increases by?
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R=1.15r
3.14*R*R
3.14*1.15r*1.15r=1.3225r*3.14*r= new area
1.3224-1=0.3225×100=32.25% increase
3.14*R*R
3.14*1.15r*1.15r=1.3225r*3.14*r= new area
1.3224-1=0.3225×100=32.25% increase
Aradhna1:
how R= 1.15?
it is increased by 15%
if r is 1 before increasing
after increasing it by 15% it is 1.15
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