Please help on these.

1 answer:

8 0

3/3 of 12 is 12(?)
1/4 of 20 is 5
3/4 of 20 is 15
2/4 of 20 is 10
4/4 of 20 is 20
1/5 of 35 is 7
3/5 of 35 is 21
5/5 of 31 is 31(?)
2/5 of 35 is 14
4/5 of 35 is 28
annnd....
6/5 of 35 is 42
I hope these are right and are beneficial to your work

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Ok.

The volume of a cone is the volume of a cylinder over 3.

The volume of a cone is:
$\frac{1}{3} \pi r^{2}h$

This problem gives us the diameter, which is twice of the radius. So, we'll just half it.
Radius (me) = 4 cm.

Substitute our given values into the equation.
$\frac{1}{3} \pi (4)^{2}h \ or \ \frac{1}{3} \pi (4)^{2}(10) \ or \ \frac{1}{3} \pi (16)(10)$

Multiply
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Multiply
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This would make $167 \ cm^{3}$ the closest option.