The diagonals of two squares are in the ratio of 3 : 2. Find the ratio of their areas.

• A. 9 : 5
• B. 9 : 2
• C. 9 : 7
• D. 9 : 4

Answer: (D)

Let the diagonals of the squares be 3x and 2x.? Ratio of their areas = [(1/2) (3x2)] / [(1/2) (2x2)] = 9/4