Question

Anyone ready for a math question?

Answer 1

@marissalovescats

Answer 2

Well we'll find the volume and that will tell us out answer.

We have a whole sphere here (the 2 parts on the end put together make one sphere) And a Cylinde.

So we find these 2 volumes and add them together for the full volume.

So the sphere, the radius is 2. So we plug 2 in to 4/3pir^3 to get?

Answer 3

Is that (pi)^3?

Answer 4

Yes

Answer 5

I got 32/3

Answer 6

Now we have to find the volume of the cylinder in the middle.

You find that by:

V=pi(h)(r^2)

Se we know the radius is 2 because it has the circle base and we know the height is 5 because it's given.

Answer 7

Correct

Answer 8

So what do you get for the Volume of the Cylinder?

Answer 9

Will it be 32/3?

Answer 10

No the equation for the Cylinder is different. It is:

V=pi(h)(r^2)

So:

V=pi(5)(2^2)

Which is?

Answer 11

'Cause we haven't find the surface area yet. I thought at first the surface area was 32

Answer 12

20(pi)

Answer 13

We'll do surface area in a minute, right know focusing on the volume of the entire shape.

Yes 20pi

Answer 14

So now to find the TOTAL Volume, we ad the volume of the shere (32/3pi) and the cylinder (20pi)

Or course by getting a common denominator and adding them.