Classifying Triangles by Their Sides

In this video, Mr. J explains how to classify triangles based on their sides. He introduces three types of triangles: equilateral, where all sides are equal; isosceles, with two equal sides; and scalene, with no equal sides. The video includes examples of each type, demonstrating how to identify and classify triangles by their side lengths.

What type of triangle has all three sides of equal length?

• Equilateral triangle

• Isosceles triangle

• Right triangle

• Scalene triangle

Tags

CCSS.4.G.A.2

How many sides are equal in an isosceles triangle?

• Two

• None

• One

• Three

Tags

CCSS.2.G.A.1

Which triangle has no equal sides?

• Equilateral

• Isosceles

• Scalene

• Acute

Tags

CCSS.4.G.A.2

If a triangle has sides measuring 3 inches each, what type is it?

• Equilateral

• Obtuse

• Isosceles

• Scalene

Tags

CCSS.4.G.A.2

A triangle with two sides measuring 9 feet and one side measuring 2 feet is classified as?

• Right

• Scalene

• Isosceles

• Equilateral

Tags

CCSS.4.G.A.2

Identify the type of triangle with sides of 15 meters, 12 meters, and 7 meters.

• Acute

• Scalene

• Equilateral

• Isosceles

Tags

CCSS.4.G.A.2

A triangle with sides of 16 cm, 19 cm, and 19 cm is known as?

• Equilateral

• Right

• Isosceles

• Scalene

Tags

CCSS.4.G.A.2

Which of the following is NOT a type of triangle based on its sides?

• Circular

• Scalene

• Equilateral

• Isosceles

Tags

CCSS.4.G.A.2

How many sides of an equilateral triangle are equal?

• One

• Two

• Three

• None

Tags

CCSS.4.G.A.2

What distinguishes a scalene triangle from other types?

• One right angle

• No sides are equal

• Two sides are equal

• All sides are equal

Tags

CCSS.2.G.A.1