Warm Up: Finding missing angles in triangles

What should all three angles in a triangle add up to?

• 360

• 90

• 180

• 270

Tags

CCSS.7.G.A.2

What is the measure of angle y?

• 180

• 142

• 38

• 90

Tags

CCSS.7.G.B.5

What is the measure of the missing angle?

• 43

• 317

• 137

• 53

Tags

CCSS.7.G.B.5

Acute angles mean...

• the angle is exactly 90 degrees

• the angle is less than 90 degrees

• the angle is more than 90 degrees

Tags

CCSS.4.G.A.1

CCSS.4.MD.C.5

Right angles mean...

• the angle is exactly 90 degrees

• the angle is less than 90 degrees

• the angle is more than 90 degrees

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

Obtuse angles mean...

• the angle is exactly 90 degrees

• the angle is less than 90 degrees

• the angle is more than 90 degrees

Tags

CCSS.HSG.CO.A.1

What is the measure of angle c?

• 180

• 70

• 20

• 110

Tags

CCSS.7.G.B.5

Find the missing angle.

• 29° 
• 39° 
• 49° 
• 59° 

Tags

CCSS.7.G.B.5

Solve for x.

• x = 4

• x = 40

• x = 14

• x = 5

• x = 54
• x = 9
• x = 24
• x = 144

Tags

CCSS.7.EE.B.4

CCSS.7.G.B.5