Angles

Front

What is the total number of degrees in supplementary angles?

Back

180 degrees.

Front

What do you call an angle that is between 90° and 180°?

Back

Obtuse angle.

Front

Find the missing angle if one angle is 160°. What is x?

Back

20°.

Front

Complementary angles always add up to how many degrees?

Back

90 degrees.

Front

Are these angles adjacent?

Back

No, because they do not share a ray or the same vertex.

Front

What is an angle that measures exactly 90° called?

Back

Right angle.

Front

What do you call angles that add up to 360°?

Back

Explementary angles.

Front

What is the term for angles that are opposite each other when two lines cross?

Back

Vertical angles.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

What type of angle measures less than 90°?

Back

Acute angle.