What is the best term to describe this image?

• intersecting lines
• perpendicular lines
• parallel lines
• arrows

What is the term for a straight path that is endless in both directions?

• point
• line
• line segment
• ray

What is the term for a part of a line with two endpoints?

• point
• ray
• angle
• line segment

What does the image show?

• acute angles
• right angles
• straight angles
• obtuse angles

What does the image show? 

• right angle
• acute angle
• straight angle
• obtuse angle

What kind of lines are shown?

• parallel lines
• perpendicular lines
• straight lines
• open lines

_{What is the measure of the following angle?}  

• 10 degrees.
• 40 degrees.
• 67 degrees.
• 168 degrees. 

_{What is the measure of the following angle?}

• 56 degrees.

• 180 degrees.

• 123 degrees.

• 97 degrees.

Find the missing angle.

• 60°

• 70°

• 50°

• 140°

What is the measure of the missing angle?

• 39°

• 129°

• 119°

• 129°