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

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

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

eroshea
 3 years ago
Best ResponseYou've already chosen the best response.2altitude = 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

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

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

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

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

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

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

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

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

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

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

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

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

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