Lesson 8.5: Circumference of Circles

Lesson 8.5:

Find the Circumference of a Circle

Definitions:

​Visuals:

​Circumference:

​Find the circumference of the circle:

Multiple Choice

Find the circumference of the cirlce:

• 3.14

• 31.4

• 0.314

• 15.7

​Find the circumference of the circle:

Multiple Choice

Find the circumference of the circle:

• 18.84

• 37.68

• 9.42

• 3.14

​A circle has circumference 25.12 units. Find the diameter and the radius.

Multiple Choice

A circle has a circumference of 56.52 units. What is the diameter?

• d = 9

• d = 3.14

• d = 56.52

• d = 18

​Conclusion: Write two complete sentences about what you learned.

Rate yourself 1-4 on how well you understood the lesson.