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How to find the center point of a circle

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TheShanMan:
Nice find! Seems like that will eventually come in handy for me.

ultrageek:
Ah... flashbacks to geometry class...

Now, if someone could just tell me how to divide an angle into 3rds....  I'd be able to take over the world. :)

fatfingers:

--- Quote from: ultrageek on August 14, 2008, 10:55:29 am ---Ah... flashbacks to geometry class...

Now, if someone could just tell me how to divide an angle into 3rds....  I'd be able to take over the world. :)

--- End quote ---


Here you go! 

Qesmann:
That method seems overly complicated. If you have a compass, set it up to draw circles with the same radius as the original circle (which is trivial to measure). Then draw two circles centered anywhere on the original circle's circumference. The two new circles will intersect at the center point of the original circle.

shmokes:

--- Quote from: Qesmann on August 14, 2008, 02:28:31 pm ---
. . . draw circles with the same radius as the original circle (which is trivial to measure).


--- End quote ---

If you are measuring the radius, you already have the center point. 

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