Basics
An unending collection of points that goes on and on in 2 directions.
What is a line?
Lines that meet or cross at exactly 90 degrees.
What are perpendicular lines?
A solid figure with 6 congruent, square faces.
What is a cube?
A quadrilateral with exactly 1 pair of parallel sides.
What is a trapezoid?
Figures or line segments that are exactly the same.
What is congruent?
The shortest (straight) distance between 2 end points.
What is a line segment?
Lines that will never intersect. They are always the same distance apart.
What are parallel lines?
A solid figure with 6 rectangular faces.
What is a rectangular prism?
The most general name for a quadrilateral with 2 pairs of parallel sides.
What is a parallelogram?
A closed figure with 3 or more straight sides.
What is a polygon?
Part of a line that has one endpoint and goes on infinitely in the other direction.
What is a ray?
Lines that meet/cross NOT at exactly 90 degrees.
What are intersecting lines?
A solid figure with a square base and 4 triangular faces.
What is a square pyramid?
A quadrilateral with 4 right angles, and opposite sides which are congruent and parallel.
What is a rectangle?
A polygon with exactly 4 sides and 4 angles.
What is a quadrilateral?
The point where 2 lines, line segments or rays meet.
What is the vertex?
Perpendicular lines meet at this type of angle.
What is a right angle?
The line segment where 2 faces in a solid figure meet.
What is an edge?
A quadrilateral with 4 right angles and 4 congruent sides.
What is a square?
The mark used to indicate congruent sides.
What is a hash mark or // ?
A specific location on a plane.
What is a point?
The symbol used to indicate perpendicular lines.
What is and upside down T
The geometric term for a flat surface (side) of a solid figure.
What is a face?
A quadrilateral with 4 congruent sides, but no right angles.
What is a rhombus?
The mark used to indicate a right or 90 degree angle.
What is a little square?