Terms in this set (30)
Number of square units that covers a closed figure (space within a figure)
The perpendicular distance from opposite vertex to the base
A triangle with no equal side lengths
A triangle with an obtuse angle
Distance around a ploygon
A triangle in which all angles are less then 90 degrees
A triangle with two or more sides of equal length
A line segment connecting two vertices of a polygon and is not a side
A polygon with six sides
A polyon with eight sides
An angle measuring grater then 0 degrees and less then 90 degrees
The part of a line between to points. Written like: AB with line on top
An angle measuring greater then 90 degrees and less then 180 degrees.
Two straight lines on a two-dimensional plane that do not intersect no matter how far they are extended
A polygon with five sides.
A two-dimensional closed figure of straight line segments (edges or sides) connected end to end.
A part of a line that starts at a point on the line and contains all the points on the line that are on one side of the starting point.
A quadrilateral with both pairs of opposite sides parallel
A quadrilateral with one pair of parallel sides.
A polygon in which all side lengths are equal and all angle measures are equal
A quadrilateral with all four sides of equal length.
The opposite angles where two lines meet.
Two lines on a flat surface which make a right angle when they meet.
A ploygon with four sides
A quadrilateral with four right (90 degree) angles.
An angle that measures 90 degrees
A set of points at a fixed distance (radius) from a point (center)
A triangle in which one angle is a right angle (90 degrees)
The point where two consecutive sides of a polygon meet.
A special rectangle with all sides of equal length