Education Technology

Arc length and Area of Sectors

Activity Overview

This is an introduction to finding the arc length and area of sectors of circles. Students should have the formulas for Circumference and Area of circles.

Before the Activity

Students should know or have the formulas for circumference and area of circles.

During the Activity

Problems may be placed on the overhead projector. Do not project your computer screen since you will want to have students names showing when you caputure the screens.

After the Activity

Review student results:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary