Use your visual glossary and please identify the following:
All of the radiuses (AKA Radii)
All of the diameters
All of the the chords
The centerpoint
Calculate the circumference (the photo shows the length of the radius).
A real-world, real-cool, and really easy (most of the time) way to make math a bit more meaningful for elementary math students of all ages, especially if you happen to be about ten!