What is the area of a circle with its radius $r = 10$ $u n i t s$ ?

a r e a = 90 π

u n i t^{2}

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a r e a = 100 π

u n i t^{2}

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a r e a = 110 π

u n i t^{2}

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a r e a = 120 π

u n i t^{2}

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Solution

The correct option is B $a r e a = 100 π$ $u n i t^{2}$
$a r e a = π \times r^{2}$
$a r e a = π \times 10 \times 10$
$a r e a = 100 π$ $u n i t^{2}$

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