TBQ - Find the volume of material — task. Maths TNSB Mentoring, Class 10 Crash course.

In a hollow cylinder, the sum of the external and internal radii is 15 $cm$ and the width is 6 $cm$. If its height is 28 $cm$, then the volume of the material in it is:

$2420 π {cm}^{3}$
$2520 π {cm}^{3}$
$2670 π {cm}^{3}$
$2620 π {cm}^{3}$

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1. TBQ - Find the volume of material

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