if diagonal of squre. is 13 cm find its perimater
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Diagonal of a square = 13 cm
Area of square = 1/2 (13)²
= 1/2 × 13 × 13
= 84.5
Side of a square = √84.5
= 9.192cm
Perimeter of square = 4 × 9.192 = 36.77 cm
Area of square = 1/2 (13)²
= 1/2 × 13 × 13
= 84.5
Side of a square = √84.5
= 9.192cm
Perimeter of square = 4 × 9.192 = 36.77 cm
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