With these math questions ( don't answer if you don't know all of them)

1.
volume of cone=(1/3)hpir^2
h=6
r=9
v=(1/3)6pi9^2
v=2pi81
v=162pi
3.14=pi for problem
162 times 3.14=508.68
answer is D

2. 2=r, 24=h
v=(1/3)24pi2^2
v=8pi4
v=32pi

answer is D

3. 10=h
4=r
v=(1/3)10pi4^2
v=(1/3)10pi16
v=(1/3)160pi
v=(160/3)pi

answer is C

4. 9=h
3=r
v=(1/3)9pi3^3
v=3pi9
v=27pi
pi=3.14
v=84.78
84.8 is answer

5. d/2=r12/2=6=r
r=6
h=12
v=(1/3)12pi6^2
v=4pi26
v=144pi
pi=3.14
v=425.16
v=425.2
answer is 425.2

ANSWERS

1. D
2. D
3. C
4.  84.8
5.  425.6

The answer is why would a teacher ask that