Complementary and Supplementary Angles

Complementary and Supplementary Angles

By Omar Shishani

Multiple Choice

This angle is:

• Smaller than a right angle

• A right angle

• Bigger than a right angle

Multiple Choice

This angle is:

• Smaller than a right angle

• A right angle

• Bigger than a right angle

Multiple Choice

This angle is:

• Smaller than a right angle

• A right angle

• Bigger than a right angle

Multiple Choice

What type of angle is shown?

• acute

• obtuse

• right

• straight

Multiple Choice

An angle whose measure is exactly 90 degrees.

• acute

• vertical

• right

• straight

Multiple Choice

An angle whose measure is exactly 180 degrees.

• acute

• vertical

• right

• straight

Complementary Angle​

​Two angles are called complementary when their measures add to 90 degrees.

Multiple Choice

What are complementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect.

Multiple Choice

Find the missing angle.

• 72

• 68

• 90

• 78

Multiple Choice

Find the missing angle.

• 46

• 52

• 54

• 36

Multiple Choice

Two angles are congruent and complementary. Find their size.

#congruent mean equal

• 30

• 45

• 60

• 90

Supplementary Angle​

Two angles are called supplementary when their measures add up to 180 degrees.

Multiple Choice

What term is used to describe a pair, or group, of angles that equal 180 degrees?

• Supplementary Angles
• Complementary Angles
• Vertical Angles
• Congruent Angles

Multiple Choice

• x = 118
• x = 108
• x = 28
• x = 58

Multiple Choice

Find the supplementary angle for 104 degrees...

• 70 degrees

• 74 degrees

• 76 degrees

Multiple Choice

Find the supplementary angle for 69 degrees...

• 111 degrees

• 116 degrees

• 118 degrees

Multiple Choice

These angles are...

• Complementary
• Supplementary
• Neither

Multiple Choice

These angles are...

• Complementary
• Supplementary
• Neither

Multiple Choice

complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

Multiple Choice

What is the measure of the missing angle?

• 76

• 66

• 156

• 154

Multiple Choice

• m∠2 = 109°

  m∠3 = 71°

  m∠4 = 109°

• m∠2 = 71°

  m∠3 = 71°

  m∠4 = 109°

• m∠2 = 109°

  m∠3 = 71°

  m∠4 = 71°

Multiple Choice

• m∠1 = 131°

  m∠2 = 49°

  m∠4 = 49°

• m∠1 = 49°

  m∠2 = 131°

  m∠4 = 131°

• m∠1 = 131°

  m∠2 = 49°

  m∠4 = 131°

Multiple Choice

Find the value of x.

• 103

• 10

• 3

• 70

Multiple Choice

Find the value of x.

• 15

• 18

• 16

• 19