Lines and Angles

What is a ray?

• Part of a line with 2 endpoints
• Part of a line with 1 end point and goes on forever 
• Part of a line with 0 endpoints
• Part of a line with 5 endpoints

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

What is a point?

• a straight path
• an exact location
• endless flat surface
• lines that cross

This is what kind of angle?

• right
• acute
• obtuse
• straight

This is what kind of angle?

• acute
• obtuse
• right
• straight

This is what kind of angle?

• obtuse
• right
• straight
• acute

This is what kind of angle?

• right
• acute
• obtuse
• straight

What type of angle is this? 

• acute
• obtuse
• right

What type of angle is this? 

• acute
• obtuse
• right

What type of angle is this? 

• acute
• obtuse
• right