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Worksheet
Curated OER

Is It Right Angled Triangle?

For Students 7th - 8th
In this right angle triangle worksheet, students check whether the four given triangles are right angled triangles using the Pythagorean Theorem.
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PPT
Curated OER

Classifying Triangles

For Teachers 5th - 7th
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...