Red Cup STEM Challenge for Kids - these simple STEM challenges are perfect activities for teens and kids of all ages. They use things like red cups that you already have at home. Tons of fun with science, tech, engineering and math.
In pre-calculus, the unit circle is sort of like unit streets, it’s the very small circle on a graph that encompasses the coordinates. It has a radius of hence the unit. The figure here shows all the measurements of the unit circle: