Activities

Download
- Download All Files (ZIP)
- Before the Activity Files
- Heron's formula.pdf
Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Math: Geometry: Triangles
Author

Robert F. Babler
Level

9-12
Activity Time

30 Minutes
Device
- TI-89 / TI-89 Titanium
- TI-92 Plus / Voyage™ 200
Applications
- The Geometer's Sketchpad® for TI-92 / Voyage™ 200
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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

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Download

Before the Activity Files

Alignment

Subject Area

Author

Level

Activity Time

Device

Applications

The Geometer's Sketchpad® for TI-92 / Voyage™ 200

Report an Issue