Angles and Lines

What is a line?

• a straight path of points that goes on and on in two directions

• an endless flat surface

• an exact location in space

• lines that never intersect

Blue outline is an example of...

• Angle

• Line

• Point

• Line segment

This is what kind of angle?

• right

• acute

• obtuse

• straight

What is the measurement of x?

• 180

• 50

• 55

What is the measurement of x?

• 30

• 25

• 150

What is the measurement of the missing angle?

• 60

• 120

• 50

What is a line segment?

• Part of a line with 2 endpoints

• Part of a line that has 1 endpoint

• Part of a line with 0 endpoints

• Part of a line with 5 endpoints

• acute
• obtuse
• right

Which type of angle is pictured?

• Acute

• Right

• Obtuse

• Straight

What is a protractor?

• an angle

• something to plow a field with

• a tool used to measure angles

• a line of indefinite length extending from an end point in one direction