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Home > MC1 > Chapter 10 > Lesson 10.1.2 > Problem 10-23

10-23.

Circumference is equal to 2πr, or the diameter times pi.

C = 8π, or approximately 25.13 meters.

Remember that area is equal to πr2. What is the radius of this circular trampoline if the diameter is 8 meters?
(Remember that the radius is equal to half of the diameter.)