Mathematics
14 Online
OpenStudy (anonymous):
how to find dimensions of a teepee
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OpenStudy (anonymous):
?????????????
OpenStudy (anonymous):
@lgbasallote
OpenStudy (anonymous):
@mastercat
OpenStudy (anonymous):
@asnaseer
OpenStudy (anonymous):
please help me
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OpenStudy (anonymous):
@shane_b
OpenStudy (anonymous):
@mathslover (Ambassador)
OpenStudy (shane_b):
A teepee is essentially a cone right?
OpenStudy (anonymous):
yes
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OpenStudy (anonymous):
so what is the fumilu
OpenStudy (anonymous):
?
OpenStudy (shane_b):
The link doesn't get me to the image...can you cut/paste it here?
OpenStudy (anonymous):
V=1/3*pi*r^2*h
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OpenStudy (anonymous):
is that how i do it
OpenStudy (shane_b):
To find the volume yes...I can't see what the question says/shows though so I'm only guessing that's what you need.
OpenStudy (anonymous):
The diagram shows the dimensions of a teepee. Find the volume of the building to the nearest cubic unit. Use 3.14 for p.
OpenStudy (anonymous):
sorry
OpenStudy (shane_b):
So if you have the radius and the height just plug them into the formula to solve for V.
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OpenStudy (anonymous):
A. 1,780 ft3
B. 1,382 ft3
C. 21,363 ft3
D. 5,341 ft3
OpenStudy (anonymous):
but some how i did the math and i got 7121 ?????
OpenStudy (anonymous):
i dont think i got the right formula =(
OpenStudy (anonymous):
@Australopithecus
OpenStudy (anonymous):
is it (A)????????????
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OpenStudy (australopithecus):
Volume of a cone
\[\frac{1}{3}\pi r^2 h = V\]
Where,
h = height of the cone
r = radius of the cone
OpenStudy (shane_b):
What are the given dimensions? The formula is right
OpenStudy (australopithecus):
do you not know how to utilize the formula??
OpenStudy (anonymous):
got 1/3*3.14*100*17=A
OpenStudy (anonymous):
or 1779.3333333333333
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OpenStudy (shane_b):
Then check your calculator :) The answer is in the list
OpenStudy (shane_b):
Yes, A :)
OpenStudy (anonymous):
thank you some much :)
OpenStudy (shane_b):
Np...and I'm not sure why the answer was rounded up and not down to 1779...who knows.
OpenStudy (anonymous):
lol
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OpenStudy (shane_b):
Significant figures I guess
OpenStudy (shane_b):
By the above I mean that the values in the problem must have been limited to 3 significant figures.
OpenStudy (anonymous):
o