Complementary Angles

What is an example of a pair of complementary angles?

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

Tags

CCSS.7.G.B.5

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.

Tags

CCSS.7.G.B.5

Are these angles an example of complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

Tags

CCSS.7.G.B.5

Are these angles an example of complementary, supplementary, or neither?

• Complementary
• Supplementary
• Neither

Tags

CCSS.7.G.B.5

Find the missing angle.

• 60
• 70
• 50
• 140

Tags

CCSS.7.G.B.5

These angles are...

• Complementary
• Supplementary
• Neither

Tags

CCSS.7.G.B.5

Find the value of x. 

• 17
• 28
• 68
• 39.5

Tags

CCSS.7.G.B.5

Find the missing angle.

• 47
• 37
• 57
• 137

Tags

CCSS.7.G.B.5

• x = 56

• x = 66

• x = 156

• x = 166

Tags

CCSS.7.G.B.5

Find the value of x.

• 15
• 30
• 45
• 60

Tags

CCSS.7.G.B.5