3-2: Adjacent Angles

Key Concept

Two angles are adjacent angles if they share a vertex and a side, but have no interior points in common.

Adjacent angles.

Part 1

Example Identifying Adjacent Angles

Use the diagram of the roller coaster supports.

  • a. Name an angle adjacent to ∠ FAD.

  • b. Name two angles adjacent to ∠ BGC.

  • c. Name two angles adjacent to ∠ CEH.

  • d. Name two angles adjacent to ∠ ABC.

Adjacent angles.

Solution

  • a. Name an angle adjacent to ∠ FAD.

    DAB

  • b. Name two angles adjacent to ∠ BGC.

    DGB, ∠ EGH

  • c. Name two angles adjacent to ∠ CEH.

    BEC, ∠ GEH

  • d. Name two angles adjacent to ∠ ABC.

    ABC, ∠ CBE or ∠ CBH, ∠ CBG, ∠ ABG, ∠ ABE, and ∠ CBD

Roller coaster supports.


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Table of Contents

Digits, Grade 7, Volume 1, Homework Helper Unit A: Number and Operations Unit B: Expressions, Equations, and Relationships Unit C: Measurement and Geometry Unit D: Proportionality English/Spanish Glossary Formulas Math Symbols Formulas Measures Properties