Classifying Triangles Review

Front

How many angles does a triangle have?

Back

3

Front

What is an acute angle?

Back

An angle that measures between 0 and 90°

Front

What is an obtuse angle?

Back

An angle that measures more than 90° and less than 180°

Front

What is a right angle?

Back

A right angle measures exactly 90°

Front

An acute triangle has how many acute angles?

Back

3

Front

A right triangle must have...

Back

1 angle that equals 90° (right angle).

Front

What is an obtuse triangle?

Back

An obtuse triangle has only one obtuse angle.

Front

Based on its angles, what type of triangle is this?

Back

acute triangle

Front

Based on its angles, what type of triangle is this?

Back

Right triangle

Front

Based on its angles, what type of triangle is this?

Back

Obtuse triangle