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प्रश्न
Find the perimeter of a square; whose area is: 1.69 m2
उत्तर
Area of square= 1.69 m2
Side = `sqrt("area")` = `sqrt(1.69)` = 1.3 m
Perimeter = 4 x side = 4 x 1.3 = 5.2 m
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