Sprint 35 · Chapter 8

Length Of An Arc And Area Of A Sector

Derive and apply the formulas for the length of an arc and the area of a sector using the unitary method.

1. 1Defining Sectors and Arcs
2. 2Length of an Arc and Area of a Sector Visual
3. 3Deriving the Formulas
4. 4Formula: Area of a Sector
5. 5Formula: Length of an Arc
6. 6Example 1: Finding Sector Areas
7. 7Faded Example: Apply the Formula
8. 8Identifying Quadrant Area
9. 9Formula Recognition
10. 10Clock Minute Hand