quadrilateral, parallelogram, rectangle, rhombus, square, trapezoid, kite
diagonal, opposite sides, opposite angles, consecutive angles, consecutive sides
square, rhombus, diagonals, rectangle
What are the properties of a trapezoid and kite that make them distinct from parallelograms?
base, median, base angles, legs, trapezoid, isosceles trapezoid, midsegment
manipulatives, geo-boards, geometric software