The diagonals of two squares are in the ratio of 2:5 then find the ratio of its areas?  Pick one.
A) 2:12  B) 4:25  C) 5:31  D) 2:19  E) 3:17
Let the diagonals of the squares be 2x and 5x   Ratio of their areas = 1/2 (2x)^2 : 1/2 (5x)^2 = 4x^2 : 25x^2 = 4:25   Answer is 4:25
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The diagonals of two squares are in the ratio of 2:5 then find the ratio of its areas?