Asked by ainy

The diameters of two circles are 4cm and 6 cm respectively
Find the ratio of their areas?
Answered by Reiny
areas are proportional to the square of their diameters

area of larger circle : area of smaller circle
= 4^2 : 6^2
= 16 : 36
= 4 : 9
Answered by Kalli
I thinl this is helpfull cause its good help for school
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