redheadangel
  • redheadangel
The cross-sectional area parallel to the bases of the two figures above is the same at every level. Find the volume of the cone, to the nearest tenth.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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redheadangel
  • redheadangel
redheadangel
  • redheadangel
I have no idea where to even start
redheadangel
  • redheadangel
@Peaches15 @LexiLuvv2431

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More answers

redheadangel
  • redheadangel
@campbell_st
redheadangel
  • redheadangel
@welshfella
anonymous
  • anonymous
I suckkk at math. I can't really help you here :/ sorry
redheadangel
  • redheadangel
that's okay thanks tho :) @LexiLuvv2431
anonymous
  • anonymous
@redheadangel I don't know dis kin of math sorry
redheadangel
  • redheadangel
That's okay thanks @Peaches15
redheadangel
  • redheadangel
@Kitten_is_back
redheadangel
  • redheadangel
@Hero ppppplleasssee I will fan and medal I promise
itsmichelle29
  • itsmichelle29
Volume cone v =1/3 pi r^2 * h
itsmichelle29
  • itsmichelle29
Volume Triangular pyramid v=1/3 b*h
redheadangel
  • redheadangel
Yes, I am just confused on how to find all of the measurments for the cone
redheadangel
  • redheadangel
@Owlcoffee p.l.e.a.s.e and t.h.a.n.k y.o.u
redheadangel
  • redheadangel
@DanJS g.r.a.c.i.a.s
Owlcoffee
  • Owlcoffee
Okay, this is a little tricky one, but I think I have fully understood it. On the left side we have a pyramid that has a triangular base and on the right side, a cone which has a circular base. Both heights are the same, and we are given some information about the base of the pyramid, you can view it as a triangle which you'll have to find the missing side: |dw:1438983224810:dw| So, try finding the area of that triangle and that'd be the first step on getting it solved. Because we know, as given information, that the area of the base on the pyramid is the same as the area of the base on the cone.
redheadangel
  • redheadangel
so for the missing side I got 3.6
redheadangel
  • redheadangel
I got that the area 8.64... is that right?
redheadangel
  • redheadangel
@Owlcoffee
redheadangel
  • redheadangel
@geerky42 perhaps you could help?
geerky42
  • geerky42
If cross-sectional areas are same for every level, this means they both have same height and same volume, right?
redheadangel
  • redheadangel
yes
geerky42
  • geerky42
So you just need to find volume of triangle pyramid.
redheadangel
  • redheadangel
ooohhh I see
geerky42
  • geerky42
So can you handle it from here?
redheadangel
  • redheadangel
Yes thank you so much I got 44.16 as the area
redheadangel
  • redheadangel
would you mind helping me with one more?
geerky42
  • geerky42
you need volume; formula is \(V=\dfrac{1}{3}Bh\) B is area of base
redheadangel
  • redheadangel
oh my gosh you're right idk what i was thinking lol
redheadangel
  • redheadangel
Yes I meant to say that, the volume is 44.16, just typed the wrong thing
geerky42
  • geerky42
well, I got 26.496 cm\(^3\)
geerky42
  • geerky42
did you multiply 4.8 by 6? because you shouldnt
redheadangel
  • redheadangel
honestly I typed it into one of those volume calculators and thats what it came up with
redheadangel
  • redheadangel
but your answer is one of the answer choices, so maybe mine was wrong
geerky42
  • geerky42
for area of triangle, you need base and height. 4.8 can be height, so you need to find length of base. You can use Pythagorean theorem here.
geerky42
  • geerky42
|dw:1438984981177:dw|
redheadangel
  • redheadangel
I got 3.6 as the missing side
geerky42
  • geerky42
same here
geerky42
  • geerky42
you should get my answer from here
redheadangel
  • redheadangel
so I got 8.64 as the area for the triangle/base
geerky42
  • geerky42
yep
redheadangel
  • redheadangel
oh you're right! I got your answer, thanks soooo much.
geerky42
  • geerky42
np, you need help with one more?
redheadangel
  • redheadangel
Yes please :)
redheadangel
  • redheadangel
1) Given 2) Definition of bisector 3) Transitive property of congruence 4) Definition of a right triangle 5) HL theorem B. 1) Given 2) Given 3) Transitive property of congruence 4) Definition of a right triangle 4) HL theorem C. 1) Given 2) Definition of bisector 3) Reflexive property of congruence 4) Definition of a right triangle 5) HL theorem D.
redheadangel
  • redheadangel
ugh for some reason the attachment for the chart isn't showing
geerky42
  • geerky42
Can you take screenshot?
redheadangel
  • redheadangel
oh yeah! one sec
redheadangel
  • redheadangel
redheadangel
  • redheadangel
I was thinking A, but it's really confusing and a lot to take in lol
geerky42
  • geerky42
what is D? or at least number 2 in D
redheadangel
  • redheadangel
D says not enough information.
redheadangel
  • redheadangel
I pretty much ruled that option out
geerky42
  • geerky42
give me time, it has been a while lol
geerky42
  • geerky42
I believe it's C. number 3 is basically "if a=b and b=c, then a=c"
redheadangel
  • redheadangel
np
geerky42
  • geerky42
C seems reasonable here.
geerky42
  • geerky42
wait I am wrong hold on
geerky42
  • geerky42
oh i am looking at A. so yeah I would go with A.
redheadangel
  • redheadangel
Okay thank you!
geerky42
  • geerky42
No problem
redheadangel
  • redheadangel
you have been so very helpful so please don't be mad when I say I have a very short problem that requires very little thinking for someone as smart as you.... What is the relationship between theoretical probability and experimental probability (think in terms of flipping a coin)? A. The theoretical probability is always greater than the experimental probability. B. As the number of trials increase, the experimental probability gets closer to the theoretical probability. C. They are always very close to each other. D. The theoretical probability is always less than the experimental probability
redheadangel
  • redheadangel
I understand if you have other matters to atttend to
geerky42
  • geerky42
What do you think? Basically: theoretical probability is what you expect to happen experimental probability is what it actually happened. Saying you have to flip coin. 50% is theoretical probability. For first trial, you get head, so you have 100% head and 0% tail. this is experimental probability
geerky42
  • geerky42
do 3 trials, you get 2 heads and 1 tails. so you have about 66% change to get head in experimental probability. that makes sense?
redheadangel
  • redheadangel
then.... I would say B
geerky42
  • geerky42
Yeah I would go with B.
redheadangel
  • redheadangel
Thanks again!!!
geerky42
  • geerky42
no problem lol

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