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

How many sides are equal in an isosceles triangle?

• Two

• None

• One

• Three

Which triangle has no equal sides?

• Equilateral

• Isosceles

• Scalene

• Acute

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

• Equilateral

• Obtuse

• Isosceles

• Scalene

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

• Right

• Scalene

• Isosceles

• Equilateral

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

• Acute

• Scalene

• Equilateral

• Isosceles

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

• Equilateral

• Right

• Isosceles

• Scalene

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

• Circular

• Scalene

• Equilateral

• Isosceles

How many sides of an equilateral triangle are equal?

• One

• Two

• Three

• None

What distinguishes a scalene triangle from other types?

• One right angle

• No sides are equal

• Two sides are equal

• All sides are equal