i need to know how to figure the radius of an arch if i know the length of the leg and the height of the opening
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You take the (Length squared) and divide that by (8 x Height) and add it to the (height divided in half).
(Wx² ÷ 8xH) + (H ÷ 2)= Radius
Length - 72"
Height - 12"
72x72 = 5184
8x12 = 96
5184/96 = 54
12/2 = 6
54+6 = 60" (Radius)
Joe, Thanks for that. I recently had to do some small arches and did trial and error, but with some logical procedure to it.This is one of those little bits of information that is invaluable to me. So I printed it out.Thank you.Glenn Moore
Your Welcome, Glen.Joe Carola