anonymous
  • anonymous
suppose the lateral area of a right circular cone and the area of a sphere is equal 64π inches^2. if the radius of the sphere and the radius of the base of the cone are equal, what is the volume of the cone?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Is the question complete..? :D
anonymous
  • anonymous
Sorry! the question is now complete please help me :( thanks!
anonymous
  • anonymous
|dw:1350220886630:dw|

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More answers

anonymous
  • anonymous
i really don't know how it looks like,but i guess what you did was right. :)
anonymous
  • anonymous
how can I find the total area and volume?:(
experimentX
  • experimentX
what's the prism ? what's pyramid? make your figure properly ... this shouldn't be difficult.
experimentX
  • experimentX
|dw:1350221237912:dw|
anonymous
  • anonymous
regular hexagonal prism with 10-in long sides and apothem of length 9-in long. uhh, yeah! I think so.
experimentX
  • experimentX
|dw:1350221347921:dw| |dw:1350221367792:dw|
anonymous
  • anonymous
|dw:1350221334283:dw|
anonymous
  • anonymous
miyuri what is 12 there?
anonymous
  • anonymous
experimentX yeah but how can i find the volume and total area?
anonymous
  • anonymous
It would be essential in finding the volume...
anonymous
  • anonymous
To find the total area multiply the area of triangle by 6 + area of hexagon..
experimentX
  • experimentX
volume of pyramid = 1/3* area of hexagon * height
experimentX
  • experimentX
for surface area ... |dw:1350221785183:dw|
experimentX
  • experimentX
|dw:1350221947122:dw|
anonymous
  • anonymous
Total area = \[(\frac{15*10}{2}*6)+(\frac{10*9}{2}*6)\]
experimentX
  • experimentX
yeah ... looks like that's correct!!
anonymous
  • anonymous
Gee! thanks a lot!!!!! but how is this? find the volume of the region outside the pyramid and inside the prism.
experimentX
  • experimentX
find the volume of pyramid ... find the volume of prism ... subtract 1 from 2
anonymous
  • anonymous
Volume = \[(\frac{10*9}{2}*6)*\frac{1}{3}*12 - (\frac{10*9}{2}*6*12)\]
experimentX
  • experimentX
lol ... you did the opposite? is height 12??
anonymous
  • anonymous
I took the height of the pyramid...
experimentX
  • experimentX
should be something like this if 12 is height \[ - (\frac{10*9}{2}*6)*\frac{1}{3}*12 + (\frac{10*9}{2}*6*12) \]
anonymous
  • anonymous
Oops yeah @experimentX I changed the sides of the equation... :D
experimentX
  • experimentX
well ...i guess that it is!!
anonymous
  • anonymous
so 4320 is the volume?=)
anonymous
  • anonymous
What is the area of the base and the height?
anonymous
  • anonymous
Yeah @gandako U are correct.. volume=4320
anonymous
  • anonymous
I found the height from the triangle drawn above.. x=12
anonymous
  • anonymous
but how about the are of the base @Miyuru ?
anonymous
  • anonymous
Base = side of the hexagon
anonymous
  • anonymous
i can't understand:(
anonymous
  • anonymous
From which step are you confused?
anonymous
  • anonymous
here: volume of pyramid=1/3 * area of the base *height how can get the are of the base?
anonymous
  • anonymous
Here the base is the hexagon and it's area is six times the area of a triangle...
anonymous
  • anonymous
6 x bh/2 is this? what is the value of b in there?
anonymous
  • anonymous
b = 10

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