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gandako
Group Title
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?
 2 years ago
 2 years ago
gandako Group Title
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?
 2 years ago
 2 years ago

This Question is Closed

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
Is the question complete..? :D
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
Sorry! the question is now complete please help me :( thanks!
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
dw:1350220886630:dw
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
i really don't know how it looks like,but i guess what you did was right. :)
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
how can I find the total area and volume?:(
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
what's the prism ? what's pyramid? make your figure properly ... this shouldn't be difficult.
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
dw:1350221237912:dw
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
regular hexagonal prism with 10in long sides and apothem of length 9in long. uhh, yeah! I think so.
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
dw:1350221347921:dw dw:1350221367792:dw
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
dw:1350221334283:dw
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
miyuri what is 12 there?
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
experimentX yeah but how can i find the volume and total area?
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
It would be essential in finding the volume...
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
To find the total area multiply the area of triangle by 6 + area of hexagon..
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
volume of pyramid = 1/3* area of hexagon * height
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
for surface area ... dw:1350221785183:dw
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
dw:1350221947122:dw
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
Total area = \[(\frac{15*10}{2}*6)+(\frac{10*9}{2}*6)\]
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
yeah ... looks like that's correct!!
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
Gee! thanks a lot!!!!! but how is this? find the volume of the region outside the pyramid and inside the prism.
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
find the volume of pyramid ... find the volume of prism ... subtract 1 from 2
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
Volume = \[(\frac{10*9}{2}*6)*\frac{1}{3}*12  (\frac{10*9}{2}*6*12)\]
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
lol ... you did the opposite? is height 12??
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
I took the height of the pyramid...
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
should be something like this if 12 is height \[  (\frac{10*9}{2}*6)*\frac{1}{3}*12 + (\frac{10*9}{2}*6*12) \]
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
Oops yeah @experimentX I changed the sides of the equation... :D
 2 years ago

experimentX Group TitleBest ResponseYou've already chosen the best response.1
well ...i guess that it is!!
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
so 4320 is the volume?=)
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
What is the area of the base and the height?
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
Yeah @gandako U are correct.. volume=4320
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
I found the height from the triangle drawn above.. x=12
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
but how about the are of the base @Miyuru ?
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
Base = side of the hexagon
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
i can't understand:(
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
From which step are you confused?
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
here: volume of pyramid=1/3 * area of the base *height how can get the are of the base?
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.2
Here the base is the hexagon and it's area is six times the area of a triangle...
 2 years ago

gandako Group TitleBest ResponseYou've already chosen the best response.0
6 x bh/2 is this? what is the value of b in there?
 2 years ago
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