CPM Teacher Tutorials

CC2 8.3.4: 8-92 Triangle Creation Student eTool

Updated Apr 27, 2018

8-92. How many different triangles do you think that you can make specifying only two measures to use for the triangle’s parts, such as one angle and one side, two angles, or two sides?  Work with a partner to investigate this question.  

  1. One side length 4.5 cm and one angle 135°
  2. Two angles: 90°and 60° 
  3. Two side lengths: 4.5 cm and 7 cm 

Drag the vertices of the triangle to change the lengths and angles.

Previous Article CC2 8.3.3: 8-82a and 8-82b Student eTool
Next Article CC2 8.3.4: 8-94 Triangle Inequality and Triangle Creation Student eTools (Desmos)