The diameter of a circle is $1$ . Calculate the area of the circle.

\frac{π}{8}

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\frac{π}{4}

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\frac{π}{2}

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π

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2 π

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Solution

The correct option is C $\frac{π}{4}$
formula to calculate area of a circle is $π r^{2}$ .
Given, diameter $d = 1$

Radius $r =$ $\frac{d}{2} = \frac{1}{2}$
$\Rightarrow$ Area of circle $=$ $π {(\frac{1}{2})}^{2} = \frac{π}{4}$ sq. units.

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