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  1. Adding the Angles in a Triangle: IM 8.1.15
    1. Lesson 8.1.15
    2. Practice 8.1.15

    Adding the Angles in a Triangle: IM 8.1.15

    Author:GeoGebra Classroom Activities
    Topic:Angles, Geometry, Triangles
    “Adding the Angles in a Triangle” from IM Grade 8 by Open Up Resources and Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 license.
    Adding the Angles in a Triangle: IM 8.1.15

    Table of Contents

    • Lesson 8.1.15

      • IM 8.1.15 Lesson: Adding the Angles in a Triangle
    • Practice 8.1.15

      • IM 8.1.15 Practice: Adding the Angles in a Triangle
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    IM 8.1.15 Lesson: Adding the Angles in a Triangle

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