Triangles and Angle Relationships

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

Find the missing angle.

• 72

• 68

• 90

• 78

Tags

CCSS.7.G.B.5

What term is used to describe a pair, or group, of angles that equal 180 degrees?

• Supplementary Angles
• Complementary Angles
• Vertical Angles
• Congruent Angles

Tags

CCSS.7.G.B.5

What is the value of "x"?

• 20
• 30
• 25
• 15

Tags

CCSS.7.G.B.5

What is ∠T in the triangle below?

• 59°
• 75°
• 78°
• 81°

Tags

CCSS.8.G.A.5

Which equation is correct to solve for x?

• x+6 = x + 20
• 5x + 30 = 180
• x+6 + x + 20 +5x + 30 = 180
• x + 6 = 5x + 30

Tags

CCSS.8.G.A.5

What is the missing angle measure?

• 46
• 32
• 90
• 102

Tags

CCSS.8.G.A.5

What is the measure of each angle?

• 60
• 90
• 180
• It can't be determined

Tags

CCSS.8.G.A.5

All angles of a triangle add to...

• 60
• 90
• 180
• It can't be determined

Tags

CCSS.8.G.A.5

What type of triangle is shown?

• Isosceles

• Right-angled

• Equilateral

• Scalene

Tags

CCSS.4.G.A.2