Best Geometry

What degrees does the angle measure?

• 70°

• 40°

• 30°

• 50°

Label the attributes that apply to each set of lines.

a

b

c

d

Contains acute angles

Perpendicular Lines

Contains obtuse angles

Parallel Lines

Classify each degree as right, straight, acute, obtuse, or reflex

• 180*

• Reflex

• 13*

• Right

• 92*

• Acute

• 90*

• Straight

• 231*

• Obtuse

This umbrella is cut into 8 equal parts. What is the measure of the yellow and purple part of the umbrella?

A straight path with no beginning or end is a...

• ray

• line

• plane

• angle

An angle is shown. What is the measure, in degrees, of the angle? (The protractor is upside down for a reason.)

• 0*

• 225*

• 235*

• 220*

Select all the triangles that have an obtuse angle.

• 
• 
• 
• 
• 

Which triangle has 3 acute angles?

• 
• 
• 
• 

What is the measurement of the unknown angle (x)?

• 40°

• 100°

• 180°

• 50°

What is measure ∠XYZ?

• 80°

• 24°

• 34°

• 56°