Share 'How to find the center of a dowel or circle'

We start with a given circle. 1.  Place the right-angle corner of any object at any point on the circle. Any point will do. 2.  Make a mark where the two sides of the right-angle cross the circle. 3.  Draw a line between these two marks. Because of Thales Theorem, this is a diameter of the circle. 4.  Place the right-angle corner of the object at any other point on the circle. Any point…