Classifying Triangles: Key Concepts and Techniques

The video tutorial provides an overview of different types of triangles: scalene, isosceles, equilateral, and right angle. Each type is defined by its unique properties, such as the number of equal sides and angles. The scalene triangle has no equal sides or angles, the isosceles triangle has two equal sides and angles, the equilateral triangle has three equal sides and angles, and the right angle triangle has one 90-degree angle. Understanding these properties helps in identifying and working with triangles in various mathematical contexts.

What type of triangle has no equal sides or angles?

• Equilateral Triangle

• Right Angle Triangle

• Isosceles Triangle

• Scalene Triangle

Tags

CCSS.4.G.A.2

Which triangle has all sides of different lengths?

• Scalene Triangle

• Right Angle Triangle

• Equilateral Triangle

• Isosceles Triangle

Tags

CCSS.4.G.A.2

What distinguishes a scalene triangle from other triangles?

• All sides equal

• Two equal sides

• No equal sides

• One equal side

Tags

CCSS.2.G.A.1

Which triangle is characterized by having two equal sides?

• Isosceles Triangle

• Scalene Triangle

• Equilateral Triangle

• Right Angle Triangle

Tags

CCSS.4.G.A.2

In which triangle do the angles opposite the equal sides also equal?

• Equilateral Triangle

• Right Angle Triangle

• Scalene Triangle

• Isosceles Triangle

Which triangle has exactly two equal angles?

• Right Angle Triangle

• Scalene Triangle

• Equilateral Triangle

• Isosceles Triangle

Tags

CCSS.4.G.A.2

How many sides are equal in an equilateral triangle?

• None

• Three

• Two

• One

Tags

CCSS.4.G.A.2

What is a common property of all sides and angles in an equilateral triangle?

• None equal

• Two equal

• All equal

• All different

Tags

CCSS.4.G.A.2

What is the defining angle of a right angle triangle?

• 60 degrees

• 180 degrees

• 90 degrees

• 45 degrees

Which triangle must have a 90-degree angle?

• Isosceles Triangle

• Equilateral Triangle

• Right Angle Triangle

• Scalene Triangle

Tags

CCSS.4.G.A.2