Interior Angles of Triangles

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

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

Back

Right triangle

Front

What is the measure of each angle in an equilateral triangle?

Back

60 degrees

Front

Can a triangle have two obtuse angles?

Back

No, a triangle cannot have two obtuse angles.

Front

What is the relationship between the angles in a triangle?

Back

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

Front

If two angles of a triangle are 45 degrees each, what is the measure of the third angle?

Back

90 degrees

Front

What type of triangle has all sides of different lengths?

Back

Scalene triangle

Front

What is an acute triangle?

Back

A triangle where all angles are less than 90 degrees.

Front

If a triangle has angles measuring 30 degrees and 60 degrees, what is the measure of the third angle?

Back

90 degrees

Front

What is the formula to find the missing angle in a triangle?

Back

Missing angle = 180 - (sum of the other two angles)