Classify Triangles by Angles

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90 degrees.

Front

What is an obtuse triangle?

Back

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

Front

How do you classify a triangle with one angle measuring 90 degrees?

Back

It is classified as a right triangle.

Front

How do you classify a triangle with all angles less than 90 degrees?

Back

It is classified as an acute triangle.

Front

How do you classify a triangle with one angle greater than 90 degrees?

Back

It is classified as an obtuse triangle.

Front

What type of triangle has no angles greater than 90 degrees?

Back

An acute triangle.

Front

What type of triangle has exactly one right angle?

Back

A right triangle.

Front

If a triangle has angles measuring 30°, 60°, and 90°, how is it classified?

Back

It is classified as a right triangle.

Front

If a triangle has angles measuring 45°, 45°, and 90°, how is it classified?

Back

It is classified as a right triangle.