Finding Unknown Angles

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

What angle pair is pictured?

• Alternate Interior Angles
• Supplementary Angles
• Vertical Angles
• Corresponding Angles

Tags

CCSS.7.G.B.5

What do all of the angles of a triangle add up to?

• $90\degree$

• $100\degree$

• $180\degree$

• $360\degree$

Tags

CCSS.8.G.A.5

• x = 118
• x = 108
• x = 28
• x = 58

Tags

CCSS.7.G.B.5

Find the measure of the indicated angle. 

• 95
• 85
• 35
• 45

Tags

CCSS.8.G.A.5

∠7 and ∠TPU are _______________

• Complementary and Adjacent

• Supplementary and Adjacent

• Adjacent

• Vertical

Tags

CCSS.7.G.B.5

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Tags

CCSS.7.G.B.5

What angle is adjacent and supplementary to angle 5?

• ∠4

• ∠1

• ∠3

• ∠2

Tags

CCSS.7.G.B.5

Solve for x

• 5
• 90
• 25
• 10

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