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The Brainliest Answer!
2014-04-05T09:29:35+05:30
Area of a square in terms of diagonal is given by

Given d = 5 cm
Area = 1/2 ( d² )
where 'd' is diagonal

Area  = 1/2 ( 5² )
         = 1/2 (25 )
         = 12.5 cm²
1 5 1
2014-04-05T09:50:30+05:30
Area = 1/2 d^2

so answer is 1/2 * 25 = 12.5cm²
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