Find the area of a circle whose radius is 7 cm (in cm)

42 π

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49 π

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54 π

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60 π

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Solution

The correct option is A $49 π$
Area of a circle $= π r^{2}$ , where r is the radius of the circle
Since $r = 7$
So, area of the given circle $= π \times 7 \times 7 = 49 π$

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