Now go back up to the location name and click on "Draw Radius." Scroll up to see the green circle on the map. Zoom in by grabbing the minus sign on the left and moving it up a couple of notches ...

To work out the area of a circle: Find the value of the radius. If the diameter is given, this must be halved. Substitute the value of the radius into the formula for the area of a circle.

A circular shape or object is one that is in the form of a circle. How many of these circular objects can you name? The radius (or ‘radii’ for plural) is the length of a straight line from the ...