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

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
9.1k points

1 Answer

4 votes
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
by
7.8k points
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