Vocabulary about triangles

To check and review. Try:

Working Geometry: Some useful links

If you want to review some concepts, here you are three links that could help you to study those that we have worked this therm. The first one contains some animated examples.

https://www.mathsisfun.com/geometry/constructions.html

https://www.khanacademy.org/math/geometry-home/geometric-constructions

https://www.absorblearning.com/mathematics/contents.html