1.

The length and breadth of a rectangular field are 405 m and 80 m respectivelyFind the length of each side of a square playground whose area is equal to areaof rectangular field.

Answer»

given the area of rectangular field and Square playground is equal.length of rectangular field, l = 405mbreadth of a rectangular field, b = 80mlet the length of each side of a square playground be "a"

therefore, area of rectangle= area of square=> l*b=a^2=>. 405*80=a^2=>. a=√32400=>. a=180 m. (answer)



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