Triangle Types

Triangles
Classification

Multiple Choice

Which of the following is acute angle

Multiple Choice

Which of the following is obtuse angle?

Remember

Triangles…..

• Polygon

• Has 3 sides

• Has 3 angles

• Has 3 vertices

Goals.

At the end of the lesson the students are

expected to:

1.Classify triangles by Angles.

2.Classify triangles by sides.

3.Classify triangles by sides and angels.

Let’s Enjoy….

We can classify triangle by its angles

Have a right angle.

Right Triangles

Acute Triangle

Obtuse Triangles

Have an obtuse angle.

​Have 3 acute angles

We can classify triangle by its sides.

Have 3 equal sides

length

Equilateral
Triangles

Scalene
Triangles

Have at least 2 equal

sides length

Have no equal

sides length

​Isosceles Triangles

We can classify triangle by its sides.

Have 3 equal sides

length

Equilateral
Triangles

Scalene
Triangles

Have at least 2 equal

sides length

Have no equal

sides length

​Isosceles Triangles

We can classify triangles by its angles and sid

.

Right isosceles

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Obtuse Isosceles

Right Scalene
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THE TABLE

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OPTION NAME

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01

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THE PROBLEM

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