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Federal Way Public Schools  
Geometric Sense
Lesson 11
Properties and Relationships
  Objectives/Vocab/Tips > Examples 1 | 2 | 3 > Practice: 1 | 2 | 3 | 4 | 5 > Reflection

Practice 1:

A dodecagon is a polygon with 12 sides.

  • How many triangles can be formed when diagonals are drawn from the same vertex in a dodecagon?
  1. 9
  2. 10
  3. 11
  4. 12
Click on your answer to see if you answered this problem correctly.

Practice 2 >>

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