9: Circumference, area & volume

- Lesson 9.1 and 9.2 notes here
Video on parts of a circle here
Watch a video on finding the circumference of a circle here
Video on finding the diameter given the circumference
Practice the Circumference of a circle here
Video on how to find the area of a circle here
Video how to find radius given the area here
Find the area of a circle here
Find circumference given the area here

- Lesson 9.4 notes here
What is surface area of truangular prism video here
Video on surface area of rectangular prism here
One more video HERE
Practice finding surface area here
Surface area of a cylinder video here
Play with a cylinder HERE
Practice volume of cylinder here