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Identifying Types of Triangles

Each worksheet has 8 problems determining if a triangle is acute, obtuse or right and equilateral, isosceles or scalene.

Student Objectives

Decide whether a triangle is acute, right, or obtuse by looking at its angles.
Decide whether a triangle is equilateral, isosceles, or scalene by comparing its side lengths.
Use angle and side clues together to classify the same triangle in two different ways.