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Q.

How do you find area of circle with radius $4 inc h es$ ?

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a

2 {inc h es}^{2}

b

7 {inc h es}^{2}

c

10 {inc h es}^{2}

d

\frac{352}{7} {inc h es}^{2}

answer is D.

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Detailed Solution

Given, radius of circle (

r) = 4 inc h es

Area of circle is

π r^{2}

= \frac{22}{7} \times 4 \times 4 {inc h es}^{2}

= \frac{22}{7} \times 16 {inc h es}^{2}

= \frac{22}{7} \times 16 {inc h es}^{2}

= \frac{352}{7} {inc h es}^{2}

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