Angle Sum Theorems

Solve for x.

• 19.75

• 12.25

• 17.7

• 21.25

Tags

CCSS.8.G.B.7

• 37

• 53

• 41

• 39

Tags

CCSS.8.G.A.5

Solve for x.

• 11

• 7

• -7

• -11

Which equation would solve for x?

• x + 38 = 90

• x + 38 = 180

• x = 90

• x = 38 + 90

Tags

CCSS.7.G.B.5

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. 

• 45°

• 90°

• 180°

• 360°

Tags

CCSS.8.G.A.5

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Tags

CCSS.7.G.B.5

Find the measure of the missing angle.

• 90^o

• 10⁰

• 130^o

• 50^o

Tags

CCSS.7.G.B.5

Solve for x.

• 16

• 11

• 50

• 6

Tags

CCSS.8.G.A.5

Solve for y.

• y = 20

• y = 120

• y = 60

• y = 10

Tags

CCSS.8.G.A.5

Solve for x.

• 5

• 12

• -7

• -6

Tags

CCSS.HSG.CO.C.10