What are complementary angles?

Hint: Memory trick for complementary... think C for corner, and corners are 90 degrees.

• 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

What are supplementary angles?

Hint: Memory trick for supplementary... think S for straight, and straight angles are 180 degrees.

• 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? Hint: Supplementary and complementary angles don't have to be adjacent.

• Complementary

• Supplementary

• Neither

Tags

CCSS.7.G.B.5

Are these angles an example of complementary, supplementary, or neither? Hint: Supplementary and complementary angles don't have to be adjacent.

• Complementary

• Supplementary

• Neither

Tags

CCSS.7.G.B.5

These angles are...

Hint: Supplementary and complementary angles don't have to be adjacent.

• Complementary

• Supplementary

• Neither

Tags

CCSS.7.G.B.5

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

Hint: Supplementary and complementary angles don't have to be adjacent.

• Complementary

• Supplementary

• Neither--they neither add up to 90 or 180

Tags

CCSS.7.G.B.5

Find the missing angle.

• 60
• 70
• 50
• 140

Tags

CCSS.7.G.B.5

What is the measure of the missing angle?

• 39

• 129

• 119

• 139

Tags

CCSS.7.G.B.5

If ∠C and ∠D are supplementary, and the measure of ∠D is 45°, what is the measure of ∠C?

• 135
• 45
• 125
• 90

Tags

CCSS.7.G.B.5

If ∠H and ∠J are complementary, and the measure of ∠H is 45°, what is the measure of ∠J?

• 135
• 45
• 60
• 55

Tags

CCSS.7.G.B.5