Angles in a Triangle Equations

Work out the size of the missing angle

• 55

• 90

• 125

• 305

Tags

CCSS.8.G.A.5

Work out the size of the missing angle

• 22

• 202

• 20

• 158

Tags

CCSS.8.G.A.5

Work out the size of the missing angle

• 94

• 96

• 86

• 84

Tags

CCSS.8.G.A.5

Which equation could be used to find x?

• x + 37 + x + 67 = 180

• 2x = 180

• 90 + x + 37 + x + 67 = 180

• 90 + 2x = 104

Tags

CCSS.7.G.B.5

If x = -7, what is the measure of Angle A?

• 44^o

• 96^o

• -14^o

• 63^o

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

Solve for x.

• -12
• -8
• -10
• -5

Tags

CCSS.8.G.A.5

Solve for x.

• -8
• -4
• -6
• -10

Tags

CCSS.8.G.A.5