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

HURRY PLEASE :)!! 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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1 vote
HURRY PLEASE :)!!

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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User Adam Gritt
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8.5k points

1 Answer

6 votes
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.

answered
User Malcolm Dwyer
by
8.5k points
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