01-06-2017
Mathematics

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Widths of two similar rectangles are 21ft and 18ft. What is the ratio of the perimeter? Of the areas?

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jeniferleiva01 jeniferleiva01

01-06-2017

Ratio of perimeters is a : b:

21:18

Which reduces to: 7:6

Ratio of areas is a^2 : b^[tex] [/tex]2:

"7 ^2: 6^2"

Which simplifies to: 49:16

The answer is 7:6 and 49:36

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