The perimeter of a square and a rectangle is the same. If the rectangle is 12 cms. by 10 cms., then by what percentage is the area of the square more than that of the rectangle?
Choices.
A) 1	B) 3	C) 5/6	D) 1/2	E) 1/3
perimeter of rectangle=2*(12+10)= 
<gadget id="calculator">2*(12+10)</gadget>
<output>44</output>
44=perimeter of square   so side of square=44/4= 
<gadget id="calculator">44/4</gadget>
<output>11</output>
11   area of rectangle=12*10= 
<gadget id="calculator">12*10</gadget>
<output>120</output>
120   area of square=11*11= 
<gadget id="calculator">11*11</gadget>
<output>121</output>
121   reqd%=(121-120)/120 *100=100/120=5/6   ANSWER:5/6
<result>C</result>
The perimeter of a square and a rectangle is the same. If the rectangle is 12 cms. by 10 cms., then by what percentage is the area of the square more than that of the rectangle?