Angles in a triangle

Work out the size of the missing angle

• 55

• 90

• 125

• 305

Tags

CCSS.8.G.A.5

What is the sum of interior angles of a triangle?

• 60 degrees
• 90 degrees
• 180 degrees
• 360 degrees

Tags

CCSS.8.G.A.5

Which of the following could be angle measures for a triangle?

A 120°, 50°, 20°

B 100°, 200°, 60°

C 30°, 50°, 80°

D 40°, 50°, 90°

• A

• B

• C

• D

Tags

CCSS.8.G.A.5

Find x

• 40 degrees

• 21 degrees

• 42 degrees

• 39 degrees

Tags

CCSS.8.G.A.5

Which Angle measurements does NOT create a Triangle?

• 60,60,60

• 90,45,45

• 50,60,40

• 50,100,30

Tags

CCSS.7.G.A.2

What type of angle is shown?

• acute
• obtuse
• right
• straight

Tags

CCSS.4.G.A.1

∠1 and ∠3 can best be described as -

• complementary angles
• supplementary angles
• vertical angles
• adjacent angles

Tags

CCSS.7.G.B.5

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

Tags

CCSS.8.G.A.5

Where do you think you are in your understanding of angle pair relationships?

• 4

• 3

• 2

• 1

• 0