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bo1958 07-27-2012 01:28 PM

Angle of cut
I need the angle I should be mitering for a decagon shape, 10 sided shape.

bo1958 07-27-2012 01:38 PM

Angle of cut
What should the mitre saw angle be for a decagon (10 sided) frame be?

CopperClad 07-27-2012 02:06 PM

Depends. Are all sides equal? And are you just trying to miter, or compound miter? Are you trying to make some kind of flat picture frame or?

oh'mike 07-27-2012 02:15 PM

Actual angle--36 * miter angle 18*

bo1958 07-27-2012 02:17 PM

angle of mitre saw for decagon frame
All sides are the same. I'm making a decagon (10 sided) waterbed frame, and the side boards are 1"x 9"x 29". The boards will be on edge, so I need the angle to set my mitre saw at. Thanks.

oh'mike 07-27-2012 02:30 PM

360 degrees in a circle--divide by the number of corners--then half of that for the miter angle--

pls8xx 07-27-2012 02:45 PM

For shapes in a simple plane ...

180 degrees divided by the number of sides


180 / 4 sides = 45 degrees
180 / 6 sides = 30 degrees
180 / 10 sides = 18 degrees

ddawg16 07-27-2012 02:53 PM

Google is your friend....

The angle depends on which reference you want. Internal angle is 144 deg.....or 36 deg from each point....(360 deg/10)

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