The radius of a circle is $5 c m$ then its area is

154 c m^{2}

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1386 c m^{2}

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550 c m^{2}

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308 c m^{2}

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None

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Solution

The correct option is A None
Area of circle $=$ ${π r}^{2}$
$= 3.14 \times 5 \times 5$
$= 78.5 c m^{2}$

Hence, option $E$ is correct.

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Similar questions

2. Find the radius and circumference of a circle, whose area is :

(i) 154 $c m^{2}$ (ii) 6.16 $m^{2}$

154 c m^{2}

154 c m^{2}

[π = \frac{22}{7}]

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