Answers

2014-01-09T19:00:33+05:30
Let the side of the square be x.
therefore, by pythagoras theorem,
x^{2}+ x^{2} = (42.3)^2
this implies that, 2 x^{2} = 1789.29
 x^{2} =894.645
x=29.91 (approx.)

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2014-01-10T12:40:45+05:30
DIAGONAL=SQUARE ROOT OF 2*SIDE
42.3/1.41=SIDE=3.096CM
AREA=3.096*3.096
          =9.44CM
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