hexagon A polygon with six sides and six angles Examples:	intersecting lines Lines that cross at exactly one point Example: Line EF intersects line GH.
isosceles triangle A triangle with two congruent sides Example:	line A straight path in a plane that goes on forever in opposite directions Example: line AB or line BA
line segment A part of a line that includes two points, called endpoints, and all of the points between them Example: line segment AB  or line segment BA	line symmetry A figure has line symmetry if a line can separate the figure into two congruent parts Example: