Sum of Interior Angles Big Practice

Front

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

Back

180 degrees

Front

If one angle of a triangle is 34 degrees and another is 101 degrees, what is the measure of the third angle?

Back

45 degrees

Front

Find the measure of the missing angle if the known angle is 40 degrees and the sum of angles in a triangle is 180 degrees.

Back

140 degrees

Front

What type of triangle has two equal sides?

Back

Isosceles triangle

Front

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

Back

60 degrees

Front

In a right triangle, what is the relationship between the angles?

Back

One angle is 90 degrees, and the sum of the other two angles is 90 degrees.

Front

What is the name of a triangle with all sides of different lengths?

Back

Scalene triangle

Front

If a triangle has angles measuring 70 degrees and 50 degrees, what is the measure of the third angle?

Back

60 degrees

Front

What is the measure of an angle that is supplementary to a 75-degree angle?

Back

105 degrees

Front

What is the measure of an angle that is complementary to a 30-degree angle?

Back

60 degrees