Find the area of one fourth of a circle having radius $7 c m$ .

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Solution

Area of the circle $= π r^{2} = \frac{22}{7} \times 7^{2} = 154 s q . c m$
Area of one fourth of a circle $= \frac{1}{4} \times$ Area of the circle $= \frac{1}{4} \times 154 = 38.5 s q . c m$

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Find the area of one fourth of a circle having radius 7cm.

Area of the circle=πr2=227×72=154 sq.cmArea of one fourth of a circle=14×Area of the circle=14×154=38.5 sq.cm

Find the area of one fourth of a circle having radius $7 c m$ .

Area of the circle $= π r^{2} = \frac{22}{7} \times 7^{2} = 154 s q . c m$
Area of one fourth of a circle $= \frac{1}{4} \times$ Area of the circle $= \frac{1}{4} \times 154 = 38.5 s q . c m$