I’ve missed school for about a week due to a covid vacating & when I came back we were on volumes of solids & my teacher is not good at explaining. Please help !!

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KuMasann asked Aug 10, 2023

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I’ve missed school for about a week due to a covid vacating & when I came back we were on volumes of solids & my teacher is not good at explaining. Please help !!

I’ve missed school for about a week due to a covid vacating & when I came back-example-1

Mathematics
college

KuMasann asked Aug 10, 2023

by KuMasann

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The volume of a cylinder is given by:

$\begin{gathered} V=\pi r^2h \\ \end{gathered}$

Where:

V = Volume = 650cm³

r = Radius

h = Height = 10cm

Therefore, solve for r:

$\begin{gathered} r^2=(V)/(\pi h) \\ r=\sqrt[]{(V)/(\pi h)} \\ r=\sqrt[]{(650)/(10\pi)} \\ r\approx4.5\operatorname{cm} \end{gathered}$

Answer:

r = 4.5cm

Ofer answered Aug 17, 2023

by Ofer

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