Question

http://prntscr.com/i3oqb5

Answer 1

@Vocaloid

Answer 2

that's correct, well done

Answer 3

Thanks. http://prntscr.com/i3or1r

Answer 4

yeah that's right

Answer 5

http://prntscr.com/i3otmb

Answer 6

good

Answer 7

http://prntscr.com/i3otux

Answer 8

should be (1/3)pi * h * r^2 where r is the radius (9) and h is the height (16)

Answer 9

\[\frac{ 1 }{ 3 } * 16 * 9^{2}\]

Answer 10

Like that?

Answer 11

good, just don't forget pi

(1/3)*16*9^2 * pi

Answer 12

So do I put the Pi symbol or 3.14?

Answer 13

since all the answers are in terms of (pi) you leave the pi symbol as it is

Answer 14

http://prntscr.com/i3oxqh Like that?

Answer 15

good, now multiply it out

Answer 16

A

Answer 17

good, 432 pi is it

Answer 18

http://prntscr.com/i3p0dx

Answer 19

same formula as before, (1/3) pi * r^2 h with r as 10 and h as 9

leave pi alone and re-write the answer in terms of pi

Answer 20

D 300 pi

Answer 21

good

Answer 22

YAY! 100%