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Page 1: [PPT]PowerPoint Presentation - Central Dauphin School · Web viewEquilateral Triangles have 3 equal sides Isosceles Triangles have 2 equal sides. Scalene Triangles have NO equal sides

Page 2: [PPT]PowerPoint Presentation - Central Dauphin School · Web viewEquilateral Triangles have 3 equal sides Isosceles Triangles have 2 equal sides. Scalene Triangles have NO equal sides

Today we will be learning how to classify triangles according to length of sides and measurement of the angles.

First we will learn to classify by the

ANGLES

Right triangles have ONE right angle

Page 5: [PPT]PowerPoint Presentation - Central Dauphin School · Web viewEquilateral Triangles have 3 equal sides Isosceles Triangles have 2 equal sides. Scalene Triangles have NO equal sides

Acute Triangles have three acute angles

Page 6: [PPT]PowerPoint Presentation - Central Dauphin School · Web viewEquilateral Triangles have 3 equal sides Isosceles Triangles have 2 equal sides. Scalene Triangles have NO equal sides

Obtuse Triangles have ONE obtuse angle

Page 7: [PPT]PowerPoint Presentation - Central Dauphin School · Web viewEquilateral Triangles have 3 equal sides Isosceles Triangles have 2 equal sides. Scalene Triangles have NO equal sides

We will now learn to classify triangles by their sides.

If you collapsed all of the sides they would form a line.

Equilateral Triangles have 3 equal sides

Isosceles Triangles have 2 equal sides.

Page 10: [PPT]PowerPoint Presentation - Central Dauphin School · Web viewEquilateral Triangles have 3 equal sides Isosceles Triangles have 2 equal sides. Scalene Triangles have NO equal sides

Scalene Triangles have NO equal sides.

Page 11: [PPT]PowerPoint Presentation - Central Dauphin School · Web viewEquilateral Triangles have 3 equal sides Isosceles Triangles have 2 equal sides. Scalene Triangles have NO equal sides

Your homework is pg.

Page 12: [PPT]PowerPoint Presentation - Central Dauphin School · Web viewEquilateral Triangles have 3 equal sides Isosceles Triangles have 2 equal sides. Scalene Triangles have NO equal sides

You have now learned that triangles can be classified by either their sides or their angles.

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