Circular Measurements Helper Page Radius A measure of the distance from the center of the circle to its edge Diameter A measure of the distance from one edge of the circle through its center to the other edge Circumference The total distance around the outside of the circle Distance The distance a robot travels as it rolls depends on two things: the wheel circumference, and the number of wheel revolutions
Radius
Diameter
Radius
Diameter
x
1
Diameter
Circumference 3
2
=
pi
x
2
Circumference
3.14
Circumference
=
Revolutions
x
Distance
=
Designed for use with LEGO® MINDSTORMS® Education NXT Software & Base Set # 9797
© CMU Robotics Academy