The diagonals of two squares are in the ratio of 2 : 5. Find the ratio of their areas.
Choose the correct answer.
A) 5:20 B) 5:25 C) 4:25 D) 3:15 E) 3:20
Let the diagonals of the squares be 2x and 5x respectively.   Ratio of their areas = (1/2)*(2x) 2:(1/2)*(5x) 2= 4x2: 25x2= 4 : 25.   Option 4:25
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The diagonals of two squares are in the ratio of 2 : 5. Find the ratio of their areas.