Definitions of Quadrilaterals
A Parallelogram is a quadrilateral having 2 sets of opposite sides parallel, opposite sides are congruent and opposite angles are congruent.
A Rectangle is a quadrilateral that is also a parallelogram. It has 4 right angles.
A Rhombus is a quadrilateral that is also a parallelogram. All sides of a rhombus are congruent. Opposite angles are congruent.
A Square is a quadrilateral that is also a parallelogram. All sides of a square are congruent. It has 4 right angles. A square is a special type of Rhombus and a special type of Rectangle.
A Kite is a quadrilateral that has 2 pairs of adjacent sides congruent. 1 set of opposite angles (the ones between the unequal sides) are congruent.
A Trapezoid is a is a quadrilateral having one set of parallel lines.
An Isosceles Trapezoid is a special case of a Trapezoid. The non-parallel sides are congruent.
About Me
- Kathy Barber
- Among other things, I am a breeder of AKC Champion Dalmatians. My dogs have it all...beauty and brains. They are confident, funny, affectionate, and gorgeous.