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What is a point?
An exact location in space

What is a line?
A straight path of points that continues in both directions

What is a line segment?
A part of a line that has two endpoints

What is a ray?
A part of a line with one endpoint and continues without end in one direction

What is a plane?
A flat surface of points that continues without end in all directions. It is named by at least three points

Lines that cross each other and form four angles are called what?
Intersecting Lines

Lines in the same plane that never intersect are called what?
Parallel lines

Lines that intersect to form four right angles are called what?
Perpendicular Lines

This angle measures 90 degrees and forms a square corner
Right Angle

This angles measures less than 90 degrees
Acute Angle

This angle measures greater than 90 degrees but less than 180 degrees
Obtuse Angle

