Question

A square metallic frame has a perimeter 208cm and breadth 1cm are removed find the area of remaining sheets.
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Answer 1

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Area of square = Area of circle.

Perimeter of square = 4a = 208 cm

=> a = 208 ÷ 4

=> a = 52 cm

Area = a x a

=> 52 x 52

=> 2704 sq cm

Area of circle = 2704 sq cm