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Area of one triange x itself x itself ? .
Last edited by Shadeyz346; 05-10-2011 at 10:20 AM.
(1/3)b²h
That is off the top of my head from my geometry class that I had over 4 years ago. That I literally slept through. cbf to actually do the math though.
So the answer is 225.7707785, so lets say 225.77..
Am i right?
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I'm Alen on Steam. RIP Skype Friday nights.
I'm Navi's lover ♥
Messenger: Toxin about Dave | Paladin on Skyrim's AI | Dakota on JB | Royku leeching | Sjoerd's penis | Blitz's derpiness | Jason on Blitz
Dave84311: God I've always wanted to eat crayons, with their vibrant colors. Only if they had taste.
Mr. Lonely: @Alen I like making you wet, it makes me hard.
YES! THE ANSWER IS CORRECT!!!! HERE IS THE EXPLANATION:
Base of a regular four-sided pyramid is a square with sides of length a=8m with a diagonal long 8√2m. (diagonal is the length of the side * √2)
Consider the triangle that makes up half the diagonal length: d/2 = 8√2 = 4√2m, the lateral edge of the length b=12m and the height "h".
The Pythagorean theorem states:
b^2 = h^2 + (d/2)^2
We get that:
12^2 = h^2 + (4√2)^2, it follows that h =√112 = 4√7m
Now we can calculate the volume:
V = 1/3 * B * h = 1/3 * a * h^2 = 1/3 * 8^2 * 4√7m^3 = 256/3√7m^3 = 225.77m^3
at first i did 0.33 * 8 * 8 * 10.58, which sounded to be the same as 1/3..
When i did 8 * 8 * 10.58 / 3.. the correct answer showed up..
Weird..
“Those who control the past, control the future: who controls the present controls the past” ~ George Orwell
Its me, Dreamgun
Last edited by Lucianberg; 05-10-2011 at 10:29 AM.