Finding Missing Angles

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

What is the relationship between angle 1 and 2?

• Supplementary
• Complementary
• Vertical
• Obtuse

Tags

CCSS.7.G.B.5

Solve for x

• 20
• 25
• 120
• 180

Tags

CCSS.7.G.B.5

If m∠1 = 30°, then m∠3 = 

• 30°
• 60°
• 150°
• undetermined

Tags

CCSS.7.G.B.5

Find the value of x.

• 18°
• 28°
• 38°
• 118°

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

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 vertical angles?

• Angles that are adjacent to each other
• Angles that add up to 180°
• Angles that are opposite of each other when lines intersect
• Angles that add up to 90°

Tags

CCSS.7.G.B.5