Measuring Angles of a Triangle

Author

Gene Olmstead

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Triangles

Level

9-12

Activity Time

10 Minutes

Software

TI Connect™

TI Calculator

TI-84 series

Applications

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

Resource Types

Lessons

Report an Issue

Measuring Angles of a Triangle

Activity Overview

In this activity, we will draw a triangle, label the vertices, measure the interior angles, find the sum of the angles and then change the angles.

Before the Activity

Please see the attached PDF for further details for this portion of the activity.

During the Activity

In this activity, we will draw a triangle, label the vertices, measure the interior angles, find the sum of the angles and then change the angles.

After the Activity

Review student results:

As a class, discuss questions that appeared to be more challenging

Re-teach concepts as necessary

Download Files

Download All Files (ZIP)

During the Activity Files

cabrijrAct4.pdf

Author

Gene Olmstead

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Geometry: Triangles

Level

9-12

Activity Time

10 Minutes

Software

TI Connect™

TI Calculator

TI-84 series

Applications

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

Resource Types

Lessons

Report an Issue

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Measuring Angles of a Triangle

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

Measuring Angles of a Triangle

During the Activity Files

Cabri™ Jr. for TI-83 Plus and TI-84 Plus

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