Pi Day and the Joy of Circles

By Thomas Condon
Last updated almost 3 years ago
29 Questions
The History of Pi Video #1
Know the following Parts of a Circle
Properties of Circles - Great Animated description of Terms!
Practice Problems: Click Parts of a Circle "Try some for practice!"
How is Pi used in Math?
Circles, Circumference, and Area Video Lesson
Practice Problems: Click Circles - Area, Circumference, Radius, and Diameter
Surface Area of a Sphere Video
Practice Problems:Click Surface Area of a Sphere
Please use pi on your calculator!!!!

Problem #2

Answer to Problem #2 ( just type in the numbers to the nearest tenth ... no labels).

Problem #4

Answer to Problem #4 ( just type in the numbers to the nearest tenth ... no labels).

Volume of a Sphere Video Lesson
Practice Problems: Click Volume of Spheres
Please use Pi button on calculator for these problems!!!!

Problem #9

Answer to Problem #9 ( just type in the numbers to the nearest tenth ... no labels).

Problem #11

Answer to Problem #11 ( just type in the numbers to the nearest tenth ... no labels).

Problem #12

Answer to Problem #12 ( just type in the numbers to the nearest tenth ... no labels).