Lesson on Angles

What kind of angles are shown?

• complementary
• supplementary
• adjacent
• corresponding

Two angles added together to produce 90 degrees

• Supplementary
• Complementary
• Right
• Vertical

What is an example of a pair of complementary angles?

• 13° and 45°
• 10° and 170°
• 81° and 9°
• 90° and 3°

Find the value of x.

• 15
• 30
• 45
• 60

 Complementary angles measures _____ degrees.

• 45
• 180
• 90
• 30

Supplementary Angles measure _____ degrees.

• 180
• 55
• 100
• 90

What is the measure of the missing angle?

• 9
• 109
• 89
• 96

What is an obtuse angle?

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

What is a right angle?

• Ana angle that measures more than 90 degrees.
• An angle that measures less than 90 degrees.
• An angle that measures exactly 90 degrees.
• An angle that measures 180 degrees. 

What is a straight angle?

• An angle that measures more than 90 degrees.
• An angle that measures less than 90 degrees.
• An angle that measures exactly 90 degrees.
• An angle that measures exactly 180 degrees.