The parameters of a circle and a square are equal . Find the ratio of their areas.
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2pie *r=4a.....(i)
Area of circle =pie r^2.... (ii)
Area of square =4a^2..... (iii)
From (i)
2pie *r=4a
Pie *r=2a
r=2a/pie =14a/22=7a/11
Put the value of r in(ii)
Pie (7a/11)^2=7a^2*2/11=14a^2/11.... (iv)
From (iii) & (iv) we get
14/11:4=7/11:2
Ratio of circle and square
(7/11):2
Area of circle =pie r^2.... (ii)
Area of square =4a^2..... (iii)
From (i)
2pie *r=4a
Pie *r=2a
r=2a/pie =14a/22=7a/11
Put the value of r in(ii)
Pie (7a/11)^2=7a^2*2/11=14a^2/11.... (iv)
From (iii) & (iv) we get
14/11:4=7/11:2
Ratio of circle and square
(7/11):2
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