HL Radians,Arcs & Sectors 3.7
If you asked a circle how many degrees there are in one full turn around its circumference, it couldn't tell you! The idea of 360° being one full circle is made up by humans (by the Babylonians, who counted in 60s!). It's 'better' i.e. more insightful and helpful in making links and defining relationships between objects etc, if we define properties in terms of the objects own properties: Historical note: The two...