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Identifying a Triangle by its Sides and Angles

Identify triangles by their angle measures and side lengths by looking at and measuring angle measures and side lengths. Use Cabri Jr. to construct various triangles, then manipulate the construction to create the 6 types of triangles, right, acute, obtuse, isosceles, scalene, and equilateral.

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CCSS: Designed
Resource Details

9th - 12th
1 more...
Resource Type
Lesson Plans
45 mins
Instructional Strategy
Inquiry-Based Learning
Included Materials

  • Teacher Notes
  • Identifying a Triangle by its Sides and Angles
  • TI-Nspire Activity TNS