The ratio of the radii of 2 circles is 4:5.Find the ratio of their areas
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Answer:
given the ratio of radius of two circles are 4:5
let 4x,5x be the radius of two circles
Step-by-step explanation:
=area of circle 1 : area of circle 2
=22/7*(4x)^2:22/7*(5x)^2
=16x:25x
=16:25
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