1.

The area of a square is\[36\text{ }c{{m}^{2}}.\] If the side of the square is doubled, what is the ratio of area of the original square to that of the new square formed?

A.  4 :1       
B.  4 : 3    
C.    1:4       
D.    1:2     
Answer» D.    1:2     


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