CPM Homework Banner

Read the Math Notes box for this lesson and then find the length of the radius and diameter of each of the following circles.  Homework Help ✎

The radius of a circle is a line segment from its center to any point on the circle. The diameter of a circle is a line going through the center and ending on opposite sides of the circle.

  1. circle

    Radius: cm
    Diameter: cm

  1. circle

    How is the information for this circle different than part (a)?

    Radius:  in
    Diameter: in

  1. circle

    Use the same method as part (a).