Re: OT, can't remember my geometry, need formula

Posted by suptscottyb on August 03, 2007 at 17:11:47 from (207.200.116.13):

In Reply to: OT, can't remember my geometry, need formula posted by Leroy on August 03, 2007 at 14:46:41:

New homes aren't the simple boxes they used to be.
So often when laying out a foundation you'll have 4 or 5 boxes you need to square up. A simple way is to use the 3-4-5 formula. A right triangle -(one half of the square)- with one side 3' the other side 4' has a diagonal of 5'. Any muiltiplication of the 3-4-5 works. Use it in inches to hundreds of feet. It makes it quick and easy to line out...btdt.
p.s. you don't have to measure at the corners to be certain you're square enough to dig... leave the exact diagonal math to the formsetters. Besides when you check your diag. lines, it will be the same measurement when square either way - whatever it is. Hope this helps more than not...

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