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Mathematics

Grade9

Easy

Question

The radius of a circle is $t to the power of 2 end exponent$ . Give the circumference of the circle in terms of t.

$π t$
$π t^{2}$
$2 π t^{2}$
$2 π t$

hint Hint:

Circumference of circle = 2x 3.14 x r

The correct answer is: $2 pi t to the power of 2 end exponent$

Circumference = $2 cross times pi cross times r a$
= $2 pi t to the power of 2 end exponent$

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