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

10-23.

Lalo has a circular trampoline with a diameter of eight meters.

What is the circumference of the trampoline?

Circumference is equal to

, or the diameter times pi. , or approximately meters. What is the area of the trampoline?

Remember that area is equal to

. What is the radius of this circular trampoline if the diameter ismeters?

(Remember that the radius is equal to half of the diameter.)