A parallelogram with all sides the same length
a parallelogram with four right angles
a triangle with two equal sides
A quadrilateral with two pairs of parallel sides
a quadrilateral with exactly one pair of parallel sides
A rectangle with all sides the same length.
The common endpoint of an angle
a six-sided polygon
a triangle with one obtuse angle
a triangle with one right angle
a triangle with no two sides of equal length
a triangle with three equal sides
a polygon with eight sides
A polygon with 4 sides
a three-sided polygon
a polygon with 5 sides
a polygon with all sides and all angles equal
A closed plane figure made up of line segments
a unit for measuring angles
an instrument for drawing/measuring angles
an angle that measures 180 degrees
An angle more than 90 degrees
an angle that measures 90 degrees
two rays with a common endpoint
An angle less than 90 degrees
An endless flat surface
part of a line with two endpoints
An exact location in space
lines that cross at one point
Part of a line that has one endpoint and extends forever in one direction.
A straight path of points that goes on forever in two directions
Two lines that intersect to form right angles
Lines in the same plane that do not intersect
a triangle with 3 acute angles
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