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emmasim [6.3K]
3 years ago
15

What is the volume? Volume of pi form ? 18=height 10=radius

Mathematics
1 answer:
UNO [17]3 years ago
3 0

Answer:

5652

Step-by-step explanation:

Hi there! Let's solve this problem together.

Formula for finding volume in pi: V = pi × radius squared × height

Our height is 18, and our radius is 10. Now, let's calculate.

3.14 x 10 squared (100) = 314.

314 multiplied by 18 is 5,652.

The answer is 5652. I hope this helps you!

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so hmmm let's get the area of the whole hexagon, and then get the area of the circle inside it, then <u>subtract the area of the circle from that of the hexagon's</u>, what's leftover is what we didn't subtract, namely the shaded part.

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A=\cfrac{1}{4}(6)\cfrac{9^2}{2^2} \cot(30^o)\implies A=\cfrac{243}{8}\cot(30^o)\implies A=\cfrac{243\sqrt{3}}{8} \\\\[-0.35em] ~\dotfill\\\\ \textit{area of circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=\frac{4}{5} \end{cases}\implies A=\pi \left( \cfrac{4}{5} \right)^2\implies A=\cfrac{16\pi }{25} \\\\[-0.35em] ~\dotfill

\stackrel{\textit{area of the hexagon}}{\cfrac{243\sqrt{3}}{8}}~~ - ~~\stackrel{\textit{area of the circle}}{\cfrac{16\pi }{25}}\implies \cfrac{6075\sqrt{3}-128\pi }{200}

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2 years ago
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8 0
3 years ago
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Answer:

see below

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