Identify Triangles by Angles

Triangles: Learn

Identifying types of triangles by their angles:

Type Description Sketch
Right One angle is exactly 90°
Obtuse One angle is larger than 90°
Acute All 3 angles are less than 90°

Triangles: Practice

What type of triangle is it?


Angle A is °
Angle B is °
Angle C is °

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