199. Painter’s tape makes equilateral shapes easily #mtbitesize #measuring #shapes #equilateral #tip

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Morgan Treeman
If you need to space 3 objects along a plane evenly, we add 1 and divide the length by 4...as we’ve talked about in bitesize 187. But how do we space marks evenly around a circle? I have a project that calls for making a pentagon out of a 12 inch circle disk, but how do I find 5 different points on that circle?

One way is to take 360 degrees, which is the degrees in a circle, and divide it by the 5 equal parts we need. Seventy two degrees would be our answer. After drawing a radius I can use a protractor to add lines every 72 degrees. Of course, this works, but if you don’t have a protractor or don’t know where your center is, here’s another way.

I’ll take a piece of painters tape and wrap it around the sphere that I made. After removing it, I’ll measure the length of it in millimeters and divide by 5. I’ll space each number equally, place my tape back on my circle and add my marks. The beauty of this system is that I can easily take any equilateral shape and precisely divide it into sections…and I’m not marking the face of my project which would mean I’d need to clean it up later on.

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Видео 199. Painter’s tape makes equilateral shapes easily #mtbitesize #measuring #shapes #equilateral #tip канала Make Things