Spread the loveIn geometry, the circle is a fundamental shape that holds immense importance. Central to a circle’s properties is its radius – the distance from its center to any point on the ...

When working with circles it is important to know the following definitions: The radius (r) of a circle is the distance from the centre to the outside of the circle. The diameter (d) of the circle ...

The radius (or ‘radii’ for plural) is the length of a straight line from the centre of the circle to its circumference. All radii of a circle are the same length.