In school we learn there are 360 degrees in a circle, but where did the 360 come from? When it is pointed out that the Babylonians counted to base-60, rather than base-10 as we do, people often ask if ...
Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...
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Learn how to determine the measure of a semi circle
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The ...
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