Asked by Tom

2 similar rectangles have areas of 6in and 24 in. What is the scale factor of the smaller rectangle to the larger rectangle?
Answered by Reiny
That should have said:
6 square inches and 24 square inches

area1/area2 = (side1)^2 / (side2)^2
6/24 = side1^2/side2^2
1/4 = side1^2/side2^2
side2^2 = 4side1^2
take √
side2 = 2 side1

the scale factor is 1 : 2
Answered by Sri
scale factore is 1:2
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