Classify Triangles by Angles

Front

What is an obtuse triangle?

Back

A triangle that has one angle greater than 90 degrees.

Front

True or False: An obtuse triangle has 1 obtuse angle.

Back

True

Front

What type of triangle has one right angle?

Back

Right triangle.

Front

What is an acute triangle?

Back

A triangle where all 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 equilateral triangle?

Back

A triangle where all three sides and angles are equal.

Front

How many obtuse angles can a triangle have?

Back

Only one obtuse angle.

Front

Classify a triangle with angles measuring 30°, 60°, and 90°.

Back

Right triangle.

Front

Classify a triangle with angles measuring 45°, 45°, and 90°.

Back

Right triangle.

Front

Classify a triangle with angles measuring 70°, 60°, and 50°.

Back

Acute triangle.