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Please help with these math questions (Please don't answer if you don't know all of them)

Please help with these math questions (Please don't answer if you don't know all of-example-1
Please help with these math questions (Please don't answer if you don't know all of-example-1
Please help with these math questions (Please don't answer if you don't know all of-example-2
Please help with these math questions (Please don't answer if you don't know all of-example-3
Please help with these math questions (Please don't answer if you don't know all of-example-4
Please help with these math questions (Please don't answer if you don't know all of-example-5
User Prashanna
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1 Answer

5 votes
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

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