Sum of Angles of a Triangle

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 measure of the missing angle.

• 8^o

• 58^o

• 122^o

• 64^o

Tags

CCSS.8.G.A.5

What is the value of x?

• 15

• 9

• 12

• 11

Tags

CCSS.HSG.CO.C.10

• 11
• 25
• 35
• 50

Tags

CCSS.8.G.A.5

The sum of the measures angles of a triangle is ​​ (a)   degrees.

• 180

• 90

• 60

• 30

Tags

CCSS.8.G.A.5

• A) 80°

• B) 90°

• C) 180°

• D) 260°

Tags

CCSS.8.G.A.5

Two angles of a triangle have measures with a sum of 84° degrees. What is the measure of the third angle of the triangle?

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.5

The sum of the angles in any triangle is ___ degrees

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.5

Find the value of the unknown.

• 27°

• 153

• 76.5°

• 77°

Tags

CCSS.8.G.A.5

Find the value of the unknown.

• 68.5°

• 137°

• 94°

• 43°

Tags

CCSS.8.G.A.5