Question

If a cylinder has a height of 21 cm and a volume of 11,144 cm^3.

What is the radius of the cylinder?
Round your answer to the nearest whole number.
Can someone please show me the steps.

Answer 1

13

Explanation:

took test

Answer 2

`\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h\qquad \begin{cases} h=height\\ r=radius\\ ----------\\ h=21\\ V=11,144 \end{cases}\implies 11,144=\pi \cdot r^2\cdot 21`

solve for "r"