Question 59

What is the area $$(in cm^2)$$ of a square having perimeter 84 cm?

Solution

Let side of square = $$s$$ cm

=> Perimeter = $$4s=84$$

=> $$s=\frac{84}{4}=21$$ cm

$$\therefore$$ Area of square = $$s^2=(21)^2=441$$ $$cm^2$$

=> Ans - (D)

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