Proportion 32471

The lengths of the sides of the two squares are in the ratio of 5:7. In what proportion their area will be?

Correct answer:

r =  25:49

Step-by-step explanation:

a:b=5:7 S1 =a2 S2 = b2 = (7/5 a)2  r = S1/S2 =  (7/5 a)2a2   r=(7/5)21=49250.5102=25:49

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