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Mathematics 9 Online
OpenStudy (anonymous):

how to u find the scale factor from rectangle b to a

OpenStudy (anonymous):

is there a diagram?

OpenStudy (shane_b):

You should be able calculate the scale factor from rectangle b to a using:\[\large \frac{2L_b+2W_b}{2L_a+2W_a}\]It's just a ratio of perimeters for similar rectangles...

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