The area of a rectangle is 144 sq cm. Ratio of the breadth and the length of a rectangle 4:9.Find the area of the square whose side is equal to the length of the triangle?
Pick:  A) 525  B) 225  C) 400  D) 625  E) 324
Let the length and the breadth of the rectangle be l = 9x cm and b = 2x cm respectively. Let the side of the square be a cm.   4x*9x = 144   36x^2 = 144   x^2 = 4   x = 2   l = 9*2= 
<gadget id="calculator">9*2</gadget>
<output>18</output>
18   area of the square= 18^2 = 324   Answer: 324
<result>E</result>
The area of a rectangle is 144 sq cm. Ratio of the breadth and the length of a rectangle 4:9.Find the area of the square whose side is equal to the length of the triangle?