Naming Types of Triangles

Use the angles to classify the triangles

Use the angles to classify the triangles

Use the angles to classify the triangles

Use the angles to classify the triangles

Use the angles to classify the triangles

all angles less than 90° - acute triangle

1 angle is equal to 90° - right triangle

1 angle is greater than 90° - obtuse triangle

Classify the triangle buy it's angle measures and it's side lengths.

• Right Isosceles triangle

• Acute Scalene triangle

• Obtuse scalene triangle

• Equilateral triangle

An obtuse triangle has (a)   ​

• one obtuse angle

• three obtuse angles

• one acute angle

What Type of Triangle is this?

• Right Angled triangle

• Equilateral triangle

• Isosceles triangle

• Scalene Triangle

• Acute Triangle

This triangle is a:

• scalene

• isosceles

• equilateral

• Figure 1

• Figure 2

• Figure 3

• Figure 4