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eroshea
Group Title
Find the volume of a regular tetrahedron whose altitude measures 10 cm.
 2 years ago
 2 years ago
eroshea Group Title
Find the volume of a regular tetrahedron whose altitude measures 10 cm.
 2 years ago
 2 years ago

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hartnn Group TitleBest ResponseYou've already chosen the best response.1
the formula is V = \(\sqrt 2\)/12 * a^3
 2 years ago

eroshea Group TitleBest ResponseYou've already chosen the best response.2
it is not the edge that is given but the ALTITUDE..
 2 years ago

eroshea Group TitleBest ResponseYou've already chosen the best response.2
now i got it.. :))
 2 years ago

eroshea Group TitleBest ResponseYou've already chosen the best response.2
altitude = root(2/3) * a 10 = root(2/3) * a 100=2/3 a^2 a= 5 root 6 V = root(2)/12 * a^3 V = 216.5
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
I thought it like this..\[\large\color{green}{x=\frac{100}{\sqrt{3}}}\] dw:1353600894733:dw
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
Sorry..\[\large\color{green}{x=\frac{10}{\sqrt{3}}}\]
 2 years ago

eroshea Group TitleBest ResponseYou've already chosen the best response.2
that's fine.. ^^
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
@eroshea I am glad tht u got it..:D :)
 2 years ago

eroshea Group TitleBest ResponseYou've already chosen the best response.2
thanks for your help @hartnn and @Miyuru ^^
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
I didn't help.. o.O
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
Thank @hartnn ONLY
 2 years ago

eroshea Group TitleBest ResponseYou've already chosen the best response.2
well, you tried helping me.. so thanks :))
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
u got it on your own, @eroshea :)
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
Is my way wrong @hartnn
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
if u got the same volume, then u are correct.
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
It's nearly 181.4 :(
 2 years ago

hartnn Group TitleBest ResponseYou've already chosen the best response.1
then incorrect :P
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
OHH Anyway thnks for U all and Welcome...
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
Ohh @eroshea you mean the height is 10.. Isn't it ?
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
I thought it was the altitude of a triangle.. :P
 2 years ago

eroshea Group TitleBest ResponseYou've already chosen the best response.2
no.. it's the height of the tetrahedron
 2 years ago

Miyuru Group TitleBest ResponseYou've already chosen the best response.0
Ok got it.. :) Then your way is correct. :D
 2 years ago

kneenutskii Group TitleBest ResponseYou've already chosen the best response.0
what is the figure and where did 2/3 came from?
 one year ago
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