Practice Classifying 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

What are the three types of triangles based on side lengths?

Back

Equilateral, Isosceles, and Scalene.

Tags

CCSS.4.G.A.2

Front

What defines an equilateral triangle?

Back

An equilateral triangle has all three sides of equal length.

Tags

CCSS.4.G.A.2

Front

What defines an isosceles triangle?

Back

An isosceles triangle has at least two sides of equal length.

Tags

CCSS.2.G.A.1

Front

What defines a scalene triangle?

Back

A scalene triangle has all sides of different lengths.

Tags

CCSS.4.G.A.2

Front

What are the three types of triangles based on angles?

Back

Acute, Right, and Obtuse.

Tags

CCSS.4.G.A.2

Front

What defines a right triangle?

Back

A right triangle has one angle that measures 90 degrees.

Tags

CCSS.4.G.A.2

Front

What defines an acute triangle?

Back

An acute triangle has all angles measuring less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What defines an obtuse triangle?

Back

An obtuse triangle has one angle that measures more than 90 degrees.

Tags

CCSS.4.G.A.2

Front

How many right angles are in a right triangle?

Back

There is 1 right angle in a right triangle.

Tags

CCSS.8.G.A.5