Classify Triangles by Angle

Front

What is an obtuse triangle?

Back

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

Front

What is a right triangle?

Back

A right triangle is a triangle that has one angle measuring exactly 90 degrees.

Front

What is an acute triangle?

Back

An acute triangle is a triangle that has all three angles measuring less than 90 degrees.

Front

How can you classify triangles based on their angles?

Back

Triangles can be classified as acute, right, or obtuse based on the measures of their angles.

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 one angle of a triangle is 100 degrees, what type of triangle is it?

Back

It is an obtuse triangle because it has an angle greater than 90 degrees.

Front

Can a triangle have two obtuse angles?

Back

No, a triangle cannot have two obtuse angles because the sum of the angles would exceed 180 degrees.

Front

What is the relationship between the angles in an acute triangle?

Back

In an acute triangle, all angles are less than 90 degrees.

Front

What type of triangle has angles measuring 30 degrees, 60 degrees, and 90 degrees?

Back

It is a right triangle because it has one angle measuring 90 degrees.

Front

What is the classification of a triangle with angles measuring 45 degrees, 45 degrees, and 90 degrees?

Back

It is a right triangle.