find the ratio of areas of two circles if the ratio of their radius is 4:5
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Area of circle=pi×r^2
A1/A2=pi×r1^2/pi×r2^2
A1/A2=(r1/r2)^2
=(4/5)^2
=16/25
A1/A2=pi×r1^2/pi×r2^2
A1/A2=(r1/r2)^2
=(4/5)^2
=16/25
vipprajapati2:
you have to find the ratio their area
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