# One Special Triangle: Quick Investigation

- Topic:
- Angles, Geometry, Isosceles Triangles

How would you classify or describe by its sides?

Why would you classify this triangle this way? How do you know this to be true?

Use the protractor in the app above to measure the three interior angles of . Notice anything? Describe.

Move the LARGE POINTS around again and repeat the same step above. Notice anything? Describe.