Triangle Angles

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

If one angle in a triangle measures 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

How do you find the measure of a missing angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Front

If two angles in a triangle are equal, what type of triangle is it?

Back

It is an isosceles triangle.

Front

What is the definition of a scalene triangle?

Back

A scalene triangle is a triangle with all sides and angles of different measures.

Front

What is the relationship between the angles in a triangle?

Back

The angles in a triangle are related such that their measures add up to 180 degrees.

Front

If angle A = 45 degrees and angle B = 45 degrees, what is angle C?

Back

Angle C = 90 degrees.

Front

Can a triangle have one angle measuring more than 180 degrees?

Back

No, a triangle cannot have an angle measuring more than 180 degrees.