Flocabulary: Types of Triangles

Front

What are angles measured in?

Back

Angles are measured in degrees.

Front

What are the two ways to categorize a triangle?

Back

By the sides of the angles and the length of the sides.

Front

What kind of triangle has an angle that is more than 90 degrees?

Back

Obtuse.

Front

What is a triangle?

Back

A three-sided polygon.

Front

What is an acute triangle?

Back

A triangle in which each angle is less than 90 degrees.

Front

What is a scalene triangle?

Back

A triangle with all sides of different lengths.

Front

What is an equilateral triangle?

Back

A triangle in which all three sides are equal in length.

Front

What is a right triangle?

Back

A triangle that has one angle equal to 90 degrees.

Front

How many sides does a triangle have?

Back

A triangle has three sides.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.