If I remember enough geometry...
... it looks like an equilateral triangle, inscribed within a circle, must have sides of the length 2*r/ (rad two). Could be I messed it up a bit.
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- Question: how do you find 3 points on a plywood circle 120 degrees apart, without a protractor? (n/t)
- Without a template, you put your anchor bolts in. Drill out the plate.
- Yet another method
- Here you go, have a protractor:
- If I remember enough geometry...
- Cut a circle out of paper, exactly the same size as your plywood circle
- Yes, there is a way!
- So... tell us what you're building! (n/t)
- Why can't you use a protractor?
- It's impossible