Types of Triangles

Front

What is an acute triangle?

Back

A triangle where all three angles are less than 90 degrees.

Front

What is a right triangle?

Back

A triangle that has one angle equal to 90 degrees.

Front

What is an obtuse triangle?

Back

A triangle that has one angle greater than 90 degrees.

Front

What are the angles in an equilateral triangle?

Back

All three angles are equal and each measures 60 degrees.

Front

How many sides does a triangle have?

Back

A triangle has three sides.

Front

What is the sum of the angles in any triangle?

Back

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

Front

What type of triangle has all sides of equal length?

Back

An equilateral triangle.

Front

What type of triangle has one angle that is a right angle?

Back

A right triangle.

Front

Can a triangle have more than one obtuse angle?

Back

No, a triangle cannot have more than one obtuse angle.

Front

What type of triangle has three acute angles?

Back

An acute triangle.