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

User Kosuke Ogawa
by
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1 Answer

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Ratio of perimeters is a : b:

21:18

Which reduces to: 7:6

Ratio of areas is a^2 : b^
2:

"7 ^2: 6^2"

Which simplifies to: 49:16


The answer is 7:6 and 49:36
User Jimmy Johnson
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