Interior Angles of a Triangle

Are the triangles similar?

• Yes

• No

Are the triangles similar?

• Yes

• No

Which triangles are similar to triangle A?

• B

• C

• Both

• None

Which triangles are similar to triangle A?

• B

• C

• Both

• None

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

• 45°

• 90°

• 180°

• 360°

What is the measure of x?

• 101°

• 111°

• 121°

• 131°

Find the measure of the indicated angle.

• 95

• 85

• 35

• 45

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

Find the indicated angle measure. (What is ?)

• 51°

• 37°

• 167°

• 41°

Tell whether the triangles are similar. Explain.

• Yes because it looks like it

• Yes because 36 + 72 + 33 = 180

• No because 36 + 72 + 33 =/= 180

• Def not