Education Technology

Interior & Exterior Angles of a Triangle

Published on 08/20/2010

Activity Overview

In this activity, students will measure interior and exterior angles of a triangle and make conjectures about their relationships.

Key Steps

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    In this activity, students will measure interior and exterior angles of a triangle and make conjectures about their relationships.

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    Discuss the material from the activity pages and worksheet with students as needed.

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    Using a pre-constructed triangle, students will construct a line and measure the exterior angle that results from it. Using manual data capture and the Lists & Spreadsheet application, they will make conjectures about the relationships of interior and exterior angles.