3 years ago

Please help this is due soon!

Mathematics

1 answer:

dybincka [34]3 years ago

8 0

I think C if so wrong am sorry

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3 years ago

The diagram shows a solid shape.

Stolb23 [73]

Answer:

$756\pi$

Solution,

Volume of cone=270 pi cm^3

$\frac{1}{3} \pi \: {r}^{2} = 270\pi \\ or \: {r}^{2} \times 10 = 270 \times 3 \\ or \: {r}^{2} \times 10 = 810 \\ or \: {r}^{2} = \frac{810}{10} \\ or \: {r}^{2} = 81 \\ or \: r = \sqrt{81} \\ or \: r = \sqrt{ {9}^{2} } \\ r = 9 \: cm$

Volume of semisphere:

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Total:

$270\pi + 486\pi \\ = 756\pi$

hope this helps...

Good luck on your assignment..

6 0

3 years ago