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Mathematics 22 Online
OpenStudy (anonymous):

Can anyone help me find the height of a pyramid made of 4 equilateral triangles? @Calculus1

OpenStudy (anonymous):

yes you can ... first you have to know atleast the side of one of them

OpenStudy (anonymous):

It's a general case. s=x

OpenStudy (anonymous):

Why don't we say the sides = 1 for simplicity. I think I can do the general case if I know that.

OpenStudy (anonymous):

\[\sqrt{3} s/2\]

OpenStudy (anonymous):

That's the height of one of the sides, I need the height of the pyramid itself.

OpenStudy (anonymous):

Is that object made only of eq. triangles?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

h=1/2sqrt(2)a,

OpenStudy (anonymous):

a is the length of one of the sides

OpenStudy (anonymous):

how did you figure it out?

OpenStudy (anonymous):

okay give me a second to draw a picture for you

OpenStudy (anonymous):

|dw:1320816014843:dw| i tried my best so u can see that

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