![\bf \textit{surface area of a cone}\\\\ SA=\pi rs+\pi r^2~~ \begin{cases} r=radius\\ s=slant~height\\[-0.5em] \hrulefill\\ r=4\\ s=7 \end{cases}\implies SA=\pi (4)(7)+\pi (4)^2 \\\\\\ SA=28\pi +16\pi \implies SA=44\pi \implies \stackrel{\pi =3.14}{SA=138.16}](/tpl/images/0272/9855/a08ff.png)
![\bf \textit{volume of a right-circular cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=17\\ h=27 \end{cases}\implies V=\pi (17)^2(27) \\\\\\ V=7803\pi \implies \stackrel{\pi =3.14}{V=24501.42}](/tpl/images/0272/9855/0a4cd.png)
![\bf \stackrel{\textit{area of the square}}{(8\cdot 8)}~~~~+~~~~\stackrel{\textit{area of the three triangles}}{3\left[ \cfrac{1}{2}(8)(22) \right]}\implies 64+264\implies 328](/tpl/images/0272/9855/da973.png)
Me and explain this problem to me cuz i don't understand
will give
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Mathematics, 29.09.2019 05:30 lovevanna
Me and explain this problem to me cuz i don't understand
will give
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