Classifying Triangles

Front

What is a triangle?

Back

A triangle is a three-sided polygon that has three angles.

Tags

CCSS.2.G.A.1

Front

What are the types of triangles based on sides?

Back

1. Equilateral Triangle: All sides are equal. 2. Isosceles Triangle: Two sides are equal. 3. Scalene Triangle: All sides are different.

Tags

CCSS.4.G.A.2

Front

What are the types of triangles based on angles?

Back

1. Acute Triangle: All angles are less than 90 degrees. 2. Right Triangle: One angle is exactly 90 degrees. 3. Obtuse Triangle: One angle is greater than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is an Isosceles Triangle?

Back

An Isosceles Triangle has at least two sides that are equal in length.

Tags

CCSS.4.G.A.2

Front

What is a Scalene Triangle?

Back

A Scalene Triangle has all sides of different lengths.

Tags

CCSS.4.G.A.2

Front

What is an Equilateral Triangle?

Back

An Equilateral Triangle has all three sides equal and all angles measuring 60 degrees.

Tags

CCSS.4.G.A.2

Front

What defines a Right Triangle?

Back

A Right Triangle has one angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is an Acute Triangle?

Back

An Acute Triangle has all three angles measuring less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is an Obtuse Triangle?

Back

An Obtuse Triangle has one angle that measures more than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is a Right Isosceles Triangle?

Back

A Right Isosceles Triangle has one right angle and two equal sides.

Tags

CCSS.4.G.A.2