Gramp's shop wrote:
I need to draw an arc for a piece of trim. The end points of the arc
are 5 feet apart and the depth of the arc at the center point is 2
inches. What is the radius of the circle?

There ought to be an equation for this that would be far superior to
trial and error, oui?

Trial and error isn't needed, neither is knowing the radius of the arc's
circle.

Put two nails 5' apart in a piece of ply. Put another nail 2" above the
line formed by the first two. Take a batten, bend it between the nails and
draw the arc.



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dadiOH
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