1. The perimeter of a square is 40 cm, find its area?
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By: anil on 05 May 2019 02.09 am
Let side of square = $$s$$ cm Perimeter of square = $$4 imes s = 40$$ => $$s = frac{40}{4} = 10$$ cm $$ herefore$$ Area of square = $$(s)^2$$ = $$(10)^2 = 100 cm^2$$
=> Ans - (A)
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=> Ans - (A)