### Home > CCAA > Chapter 8 Unit 7 > Lesson CC2: 8.3.3 > Problem8-87

8-87.

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

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 segment going through the center and ending on opposite sides of the circle.

1. Radius: $3$ cm
Diameter: $6$ cm

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

Radius: $1.5$ in.
Diameter: $3$ in.

1. Use the same method as part (a).