Education Technology

Angles of a Triangle

Subject Area
Math: Geometry: Quadrilaterals and Polygons
Math: Geometry: Triangles
Level
9-12
Activity Time
45 Minutes
TI Calculator
TI-Nspire™ CX series
Other Materials
Copies of the student worksheet provided.
Resource Types
Lessons

Angles of a Triangle

Activity Overview

This activity explores the various relationships of the angles of a triangle. It starts with an interior angle and its corresponding exterior angle.

Then the sum of the interior angles. Finally, the relationship between one exterior angle and its remote interior angles. The students are provided with a worksheet to write data and make conjectures.

The activity also comes with a document for the handheld to help walk the students through the activity.

During the Activity

One file is the nSpire document to be loaded onto the calculator. The second document is a word document to give the students space to show work and make conjectures. A PDF is also provided.

Subject Area
Math: Geometry: Quadrilaterals and Polygons
Math: Geometry: Triangles
Level
9-12
Activity Time
45 Minutes
TI Calculator
TI-Nspire™ CX series
Other Materials
Copies of the student worksheet provided.
Resource Types
Lessons
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