Ah, classic...and relatively easy. In one sentence, draw the perpendicular bisector of any two distinct rods to the circle and they will intersect at the center.

If two lines are drawn at right angles to each other, they are said to be perpendicular. A line drawn to cut another line or angle in half is a bisector. The path of a point that moves according to a ...

In maths, a construction is an accurate drawing. Besides constructing triangles, there are two main constructions which can be done using a ruler, a pair of compasses and a pencil: After the ...