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The Brainliest Answer!
2015-12-02T21:31:06+05:30
Diagnol of square with side a = a (root2)

Side of square = a = ?
a(root2)=5(root2)
a = 5cm

Area of square = a2
= (5)square
= 25

Area of square = 25 sq cm.
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2015-12-02T21:33:19+05:30
Given,diagonal is 5√2 then by given formula, ==> Area,a = [0.5 * (5√2)(5√2)] ==> a = 0.5 * (25)(2) ==>0.5 *50 ==> 25
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