4.6C Classifying Triangles by Their Angles

Front

What is an obtuse triangle?

Back

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

Front

How do you classify a triangle with one right angle?

Back

A triangle with one right angle is classified as a right triangle.

Front

What type of triangle has all angles less than 90 degrees?

Back

A triangle with all angles less than 90 degrees is called an acute triangle.

Front

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

Back

This triangle is classified as a right triangle.

Front

Classify a triangle with angles measuring 100°, 40°, and 40°.

Back

This triangle is classified as an obtuse triangle.

Front

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

Back

This triangle is classified as a right triangle.

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

If a triangle has one angle measuring 95°, what type of triangle is it?

Back

It is an obtuse triangle.

Front

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

Back

This triangle is classified as an acute triangle.

Front

What type of triangle has exactly two equal angles?

Back

A triangle with exactly two equal angles is called an isosceles triangle.