Unit 3 Angle Relationships Review

What are supplementary 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

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

_{These are complementary angles. Find x.}

• 15
• 25
• 75
• 90

What is the measure of ∠2?

• 38
• 58
• 71
• 142

Find what the value of x.

• 118
• 108
• 28
• 58

If the measure of ∠2 is 83°, what is the measure of ∠3?

• 7°
• 17°
• 83°
• 97°

Find the value of x

• -5
• 28
• 19
• -3

Tags

CCSS.7.G.B.5

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25
• Complementary; x=5
• Supplementary; x=25
• Supplementary; x=5

Tags

CCSS.7.G.B.5

• 15
• 16
• 18
• 19

Tags

CCSS.7.G.B.5

Vertical angles are always

• acute
• total 180 degrees
• congruent (equal measures)
• adjacent angles