blatham2000 blatham2000

23-08-2017
Mathematics

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The widths of two similar rectangles are 10 cm and 15 cm. What is the ratio of the perimeters? Of the areas?

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Аноним Аноним

23-08-2017

the ratio of the areas is the ratio of the squares of the sides ( which is 10:15 or 2:3) so the answer is
2^2 : 3^2 = 4:9.

The ratio of the perimeters = ratio of corresponding side = 2:3.

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