acreage in a triangle

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acreage in a triangle

Postby cmackie » Sat Jul 16, 2005 8:28 pm

If I have a plot of land with THREE equal sides, what will be my footage on each side?
cmackie
 
Posts: 1
Joined: Sat Jul 16, 2005 8:17 pm

Postby Guest » Sun Sep 18, 2005 11:05 pm

For any triangle with sides a, b, and c

Let s = (a + b + c)/2

Then area A = SQRT(s*(s-a)*(s-b)*(s-c))
(Heron's formula)

For the special case a = b = c,
this reduces (a²/4)*SQRT(3) or about 0.433*a² where a is one of the equal sides.
Guest
 

Re: acreage in a triangle

Postby Guest » Tue Feb 28, 2006 3:34 am

cmackie wrote:If I have a plot of land with THREE equal sides, what will be my footage on each side?
275631
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