the diameter of two silver discs are in the ratio 2: 3 what will be the ratio of their area?
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considering discs as a circle and using its formula
area of disc 1 = pi(1)²
area of disc 2 = pi(1.5)²
ratio of circle = 1/2.25
the diameter is given in question and not the radius so we have to divide it by 2
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