Basic Triangle Theorems

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 indicated angle. 

• 26
• 36
• 85
• 144

Tags

CCSS.8.G.A.5

Find the value of x

• 1

• 15

• 11

• 3

Tags

CCSS.8.G.A.5

Which two angles are the remote interior angles to Angle W?

• Angle X and Angle Y

• Angle X and Angle Z

• Angle Y and Angle Z

• Angle Z and Angle W

Tags

CCSS.8.G.A.5

Find the indicated angle measure. (What is ?)

• 51°

• 37°

• 167°

• 41°

Tags

CCSS.8.G.A.5

Set up an equation to find x.

• 42 + 8x = 2 + 12x

• 2 + 12x + 42 = 8x

• 42 + 8x + 2 + 12x = 180

• 42 + 8x = 180

Tags

CCSS.8.G.A.5

Solve for x.

• 1

• 2

• 3

• 4

Tags

CCSS.8.G.A.5

Can the following side measures form a triangle?

3, 5, 8

• Yes

• No

Tags

CCSS.7.G.A.2

Can the following side measures form a triangle?
  4 cm, 7 cm, 10 cm 

• Yes
• No

Tags

CCSS.7.G.A.2

Identify the longest side measure.

• AC
• BA
• BC

Tags

CCSS.HSG.CO.C.10