Curated OER
Is It Right Angled Triangle?
For this right angle triangle worksheet, students check whether the four given triangles are right angled triangles using the Pythagorean Theorem.
Curated OER
Classifying Triangles
This presentation shows how triangles are classified by angle measurement and length of sides. It reviews isosceles, scalene, obtuse, right, and acute classifications and includes questions for students to classify some of the triangles...