Chapter 6 Vocabulary
Polygon – A plane figure that meets the following conditions:
1) It is formed by three or more segments, called sides, such that no two sides
with a common endpoint are collinear.
2) Each side intersects exactly two other sides, one at each endpoint.
Equilateral – All the sides of a polygon are congruent.
Equiangular – All the angles of a polygon are congruent.
Regular – A polygon that is both equilateral and equiangular.
Diagonal – A segment that connects nonconsecutive vertices.
Parallelogram – A quadrilateral with both pairs of opposite sides’ parallel.
Rhombus – A parallelogram that had all sides congruent.
Rectangle – A parallelogram that has all angles congruent.
Square – A parallelogram that has all sides congruent and all angles congruent.
Trapezoid – A quadrilateral that has exactly one pair of opposite sides parallel.
Isosceles Trapezoid – A trapezoid that has the nonparallel sides congruent.
Midsegment of a Trapezoid – A segment that connects the midpoints of the nonparallel
sides.
Kite – A quadrilateral that has two pairs of consecutive congruent sides, but opposite
sides are not congruent.