Question

The diameters of two silver discs are in the ratio 2:3 .What will be the ratio of their areas​

Answer 1

Answer:

Area of second circle: Ratio of the area of both circles: Hence ,the ratio of areas of two circular discs are 4:9.

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Answer 2

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The diameters of two silver discs are in the ratio 2:3 . What will be the ratio of their areas?

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If the diameters of two discs are in the ratio of 2:3, their radii will also be in the same ratio. Hence the ratio of their areas will be in the ratio of 2^2:3^2 or 4:9.

Answer = 2^2:3^2 or 4:9.

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