the diameters of two silver discs are in the ratio 2:3 . what will be the the ratio of their areas?
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just divide their areas and u will get ratio.
vanshikadudeja1:
answer is 4:9
can you please explain it in process
let the ratio of radius as 2x and 3x.
then find the areas separately by formula pi* r* r
then find ratio
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