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http://www.rockler.com/product.cfm?page=11258

As for calculating angles, look up sine, cosine, and tangent in Wikipedia (or ask a resident 9th grader in Trigonometry:thumbsup to find the equations for calculating angles and lengths of right triangles (adjacent, opposite and hypotenuse). Also use the Pythagorean theorem. Most calculator will calculate sine/cosine and tangent, but you will need to first convert degrees into radians.

But I suspect there are some basic angles used in woodworking and that the more experienced woodworkers in here do not do much angle calculating. They probably just divide a 45-degree or 90-degree by however many parts they need. Or they measure with a T-bevel and cut without worrying about what the exact angle is.

I am no expert.....

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979 Posts

I just re-read your question and now realize you didn't ask about calculating. Just tools for measuring and cutting.

Sorry, my post is mostly irrelevant.

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A simple plastic drafting protractor works pretty good, and they aren't expensive.

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148 Posts

I use this tool http://www.mitergage.com/ to measure the angles I need to cut after I modified it.

I added a new indicator mark 180 Deg. out on the inside scale this then gives me a number I can take to my chop saw

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461 Posts

I got mine at the local Woodcraft but you can get online too. I hope the link works.

http://www.woodcraft.com/family.aspx?familyid=5894

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