Points, Lines, Rays, Segments
A straight set of points that extend in opposite directions without ending.
What is a line?
Lines that are always the same distance apart, and never cross or meet.
What are parallel lines?
An angle that measures 90 degrees is called this.
What is a right angle?
The Latin root "tri" means this.
What is three?
The Latin root "quad" means this.
What is four?
An exact location represented by a dot.
What is a point?
Lines that meet or cross and do not form right angles.
What are intersecting lines?
An angle that measures less than 90 degrees is called this.
What is an acute angle?
This type of triangle has 3 acute angles.
What is an acute triangle?
True or False: A trapezoid has two pairs of parallel lines.
What is false?
A part of a line between two endpoints.
What is a line segment?
Lines that cross or meet to form 90 degree right angles.
What is perpendicular.
An angle is formed when two rays share this.
What is an endpoint?
This kind of triangle contains 1 right angle and 2 acute angles.
What is a right triangle?
True or False: A square can also be classified as a rectangle.
What is true?
A part of a line that has one endpoint and continues in one direction without ending.
What is a ray?
The letter T represents these kinds of lines.
What are perpendicular lines?
An angle that measures 92 degrees is called this kind of angle.
What is an obtuse angle?
This kind of triangle contains 1 obtuse angle and 2 acute angles.
What is an obtuse triangle?
True or False: A rectangle can also be classified as a square.
What is false?
A letter of the alphabet that contains exactly 3 line segments. C, D, E, or F
What is F?
The letter X represents these kinds of lines.
What are intersecting lines?
This tool measures angles.
What is a protractor?
This is the only type of triangle that contains perpendicular lines.
What is a right triangle?
These two things make a square a square.
What are 4 equal sides and 4 right angles?