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 !!

Ive missed school for about a week due to a covid vacating amp when I came back we were on volumes of solids amp my teacher is not good at explaining Please hel class=

Respuesta :

The volume of a cylinder is given by:

[tex]\begin{gathered} V=\pi r^2h \\ \end{gathered}[/tex]

Where:

V = Volume = 650cm³

r = Radius

h = Height = 10cm

Therefore, solve for r:

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

Answer:

r = 4.5cm

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