Lines
An exact location in space.
What is a point?
An angle that measures exactly 90 degrees.
What is a right angle?
Lines in a plane that never intersect.
What are parallel lines?
The lines that are formed in the tile floor.
What are perpendicular lines
An endless straight path that goes on and on in two directions.
What is a line?
A type of angle that measures exactly 180 degrees.
Lines that intersect and form a right angle.
What are perpendicular lines?
The railroad tracks
What are parallel lines?
A part of a line with two endpoints.
What is a line segment?
An angle that has a measure that is less than 90 degrees.
What is an acute angle?
Lines that cross at one point.
What are intersecting lines?
When a tennis player hits a ball from the racket.
What is a ray?
A part of a line with a single endpoint.
Ray
An angle that measures greater than 90 but less than 180 degrees.
What is an obtuse angle?
A real world example of intersecting lines?
What is a cross?
The type of lines that scissors make
What are intersecting lines?
A real world example of parallel lines?
What are railroad tracks?
A tool that is used to measure angles?
What is a protractor?
A real world example of perpendicular lines?
What is the tiles on the floor?
Your spacebar on the keyboard
What is a line segment?