Question 22

Calculate the area (in $$cm^{2}$$ ) of a circle of radius 10.5 cm.

Solution

Radius of circle = $$r=10.5$$ cm

=> Area = $$\pi r^2$$

= $$\frac{22}{7}\times10.5\times10.5$$

= $$22\times1.5\times10.5=346.5$$ $$cm^2$$

=> Ans - (D)

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