Angle Sum

Front

What is an angle whose measure is exactly 90 degrees?

Back

Right angle

Front

What is the sum of the angles in a triangle?

Back

180 degrees

Front

What do the angles in an equilateral triangle measure?

Back

60 degrees each

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

What is the measure of a straight angle?

Back

180 degrees

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

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

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees

Front

If two angles are supplementary, what is the sum of their measures?

Back

180 degrees

Front

What is the measure of a right angle in degrees?

Back

90 degrees