Question

help me please

Answer 1

A circle is rotated about its diameter of 10 ft. Find the volume of the solid derived.

Answer 2

@agreene can you help me in this one please

Answer 3

so, remember that for a sphere
\[V=\frac43\pi r^3\]
we have a \(D=10ft\) so make that a radius and plug in

Answer 4

i got 418.67

Answer 5

we have diameter which is 10 so radius is half of diameter so doesn't i need to plug 5 ???

Answer 6

yes r=5
418.67 isn't correct though

Answer 7

104.67

Answer 8

is that r square or cube ??

Answer 9

cubed r ^ 3

Answer 10

oh ok i got 523.3

Answer 11

thank you soo much :) :) :)

Answer 12

yeah that should be around the right amount, i didnt go to decimal, lol \[\frac{500 \pi}3\] was my answer, should be around 523