If the area of A is 81 times that of B l, what is the ratio of the perimeters?

Question

Mathematics

Martha Frost

6 April, 03:57

If the area of A is 81 times that of B l, what is the ratio of the perimeters?

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Anna Rollins · Answer 1

If the area of A is 81 times that of B l, what is the ratio of the perimeters?

to get the ratio of the perimeters we proceed as follows:

linear scale factor = √ (area scale factor)

thus

linear scale factor = √81

linear scale factor=9

thus the ratio of the perimeter is, perimeter of A is 9 times that of B