Similar Triangles & the AA Criterion


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question 1 of 3

If one side of a larger triangle is three times larger than the corresponding side of a smaller similar triangle, what does this tell you about the other two sides of the triangles?

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1. According to the AA criterion, how many corresponding angles must be equal for two triangles to be similar?

2. What do the three angles of a triangle always equal?

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About This Quiz & Worksheet

This quiz/worksheet combo will test your understanding of similar triangles and what they have in common. You'll meed to know what the total degrees of all triangles equals and solve problems to find the degrees of triangles.

Quiz & Worksheet Goals

In these assessments, you will realize what you know about the following:

  • How many corresponding angles must be equal in similar triangles
  • The angles of a triangle always equal the same amount
  • How to determine similar triangles

Skills Practiced

  • Information recall - access the knowledge you've gained regarding how many corresponding angles must be equal for two triangles to be similar according to the AA criterion
  • Knowledge application - use your knowledge to answer questions about what three angles in a triangle always equal and understand the reasons
  • Interpreting information - verify you can read information regarding how to determine similar triangles in an equation and interpret it correctly

Additional Learning

To increase your knowledge of similar triangles in mathematics, review the lesson called Similar Triangles & the AA Criterion. The lesson will cover the following areas:

  • A mathematical definition of similar triangles
  • What is the AA criterion
  • Example of a similar triangle