Solving Equations With Angle Relationships


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question 1 of 3

The sum of _____ angles is 90°.

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1. What angle relationship is used in the following figure to find x? The value for x is _____.

2. The angle x is equal to 25°. The angle relationship used is _____.

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About This Quiz & Worksheet

This quiz and worksheet provides an opportunity to test what you know about the relationships of angles. You'll also review how to solve equations with these relationships in mind.

Quiz & Worksheet Goals

Use this quiz and worksheet to check your knowledge of:

  • Which angles add up to 90 degrees
  • Identifying different angle relationship types
  • Solving for unknown angles using angle relationships

Skills Practiced

  • Knowledge application - review what you know about angle relationships to answer questions about the different types
  • Interpreting information - verify that you can read information about the angles that add up to 90 degrees and interpret it correctly
  • Solving problems - use what you know about angle relationships to solve for unknown angles

Additional Learning

You'll find a more detailed review of this topic in the lesson, Solving Equations With Angle Relationships. This lesson provides more information about:

  • The relationship among supplementary angles
  • Equation for a supplementary angle
  • What the little square in a complementary angle represents
  • Solving complementary angles for x
  • What a vertical angle looks like
  • How to solve for the vertical angle