What is the length of the diagonal of a square whose area is 4 times of another square with diagonal as 5v2 cm?	Choose the correct choice from the following answers:
A) 20v2
B) 10
C) 10v2
D) 20
E) 25
SOLUTION : 10v2   Area of square = 1/2 * (length of diagonal)2   Area of square 1 = * (5v2)2 = 25   Area of square 2 = 4*25= 
<gadget id="calculator">4*25</gadget>
<output>100</output>
100   Length of diagonal of square 2= v2 * area = v2 * 100= 
<gadget id="calculator">2 * 100</gadget>
<output>200</output>
v200= 10v2 cm   ANSWER IS 10v2
<result>C</result>
What is the length of the diagonal of a square whose area is 4 times of another square with diagonal as 5v2 cm?