Question

I need help with the whole question

Answer 1

sections A & B)

`\stackrel{ \textit{\LARGE A} }{\textit{Volume of a Cylinder}}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=6.3\\ h=10.2 \end{cases}\implies V=\pi (6.3)^2(10.2)\implies V\approx 1271.84~m^3 \\\\[-0.35em] ~\dotfill`

`\stackrel{ \textit{\LARGE B} }{\textit{Volume of a Cylinder}}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=\stackrel{6.3 ~~ / ~~ 3}{2.1}\\ h=\stackrel{10.2~~ / ~~ 3}{3.4} \end{cases}\implies V=\pi (2.1)^2(3.4)\implies V\approx 47.11~m^3`

C)

is 23(47.11) ⩽ 1271.84? let's check

`(23)(47.11) ~~ \approx ~~ 1083.53\hspace{5em}1083.53~m^3~ \leqslant ~1271.84~m^3 ~~ \textit{\LARGE \checkmark}`