Education Technology

Heron's Formula

Activity Overview

This activity allows students to find the area of a triangle using Heron's formula.

Before the Activity

See the attached Activity PDF file(s) for detailed instructions for this activity.
Install The Geometer's SketchPad® App on the students' graphing calculators following the attached instructions.

During the Activity

Follow the procedures outlined in the activity.
Students will:

  • Use Heron's formula to find the area of a triangle.
  • After the Activity

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