Question

A right cylinder has a diameter of 30 mm and a height of 40 mm? What is the volume?

Answer 1

28260 cubic mm

Answer 2

The volume of a cylinder is \(\pi r^2h\). Here the radius is 15mm.

\(\Large \color{Black}{\Rightarrow 3.14 \times 15 \times 15 \times40 }\)
\(\Large \color{Black}{\Rightarrow 3.14 \times 225 \times 40 }\)
\(\Large \color{Black}{\Rightarrow 3.14 \times 9000 }\)
\(\Large \color{Black}{\Rightarrow 28260mm^3 }\)