The ratio of the area of two square, one having and double its diagonal than the other is?

• A. 3:2
• B. 3:1
• C. 2:1
• D. 4:1

Answer: (D)

Let the diagonal of one square be (2d) cmThen, diagonal of another square = d cm? Area of first square = [ 1/2 x (2d)2] cm2Area of second square = (1/2 x d2) cm2? Ratio of area = (2d)2/ d2= 4/1 = 4: 1