Question

In an 8 inch by 12 inch rectangular photograph, the image of a building is 5 inches high. If the photograph is magnified until its perimeter is 720 inches, what is the height, in inches, of the image of the building in the larger photograph?

Answers

P1 = 2*8 + 2*12 = 40 In.
P2 = 720 In.

h = (P2/P1)*ho = (720/40) * 5 = 90 In.

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