Types of Triangles

Front

What is a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Tags

CCSS.2.G.A.1

Front

How many sides does a triangle have?

Back

A triangle always has 3 sides.

Tags

CCSS.2.G.A.1

Front

What are the types of triangles based on side lengths?

Back

The types are equilateral, isosceles, and scalene.

Tags

CCSS.4.G.A.2

Front

What is an equilateral triangle?

Back

An equilateral triangle has all three sides of equal length.

Tags

CCSS.4.G.A.2

Front

What is an isosceles triangle?

Back

An isosceles triangle has at least two sides of equal 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 are the types of triangles based on angles?

Back

The types are acute, right, and obtuse.

Tags

CCSS.4.G.A.2

Front

What is an acute triangle?

Back

An acute triangle has all angles less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is a right triangle?

Back

A right triangle has one angle that is exactly 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is an obtuse triangle?

Back

An obtuse triangle has one angle that is greater than 90 degrees.

Tags

CCSS.4.G.A.2