The areas of two squares are in the ratio 9:16. The smaller square has sides of length 15cm. Calculate the size of the length of the larger square.

Answer 1

the sides are in the ratio 3:4, so ...

Answer 2

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Answer 3

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Answer 4

15/x = 3/4

If the areas are in the ratio 9:16 then the sides (which are the square root of the areas) are in the ratio √9:√16

3:4 = 15:20

Answer 5

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