Zusammenfassung der Ressource
Quadrilaterals
- Parallelogram
- a quadrilateral with two pairs of parallel sides
- Rhombus
- a parallelogram with four congruent sides
- the diagonals are perpendicular
- each diagonals bisect a pair of opposite angles
- two consecutive sides are congruent
- Rectangle
- a parallelogram with four right angles
- Square
- a parallelogram with four congruent sides and four right angles
- the diagonals are congruent
- it must have all properties of a rectangle and a rhombus
- its diagonals must be congruent
- if a parallelogram has one right angle then it is a rectangle
- opposites sides are parallel
- opposite angles are congruent
- consecutive angles that are supp.
- diagonals bisect each other
- opposite sides are congruent
- opposite angles are congruent
- consecutive angles are supp.
- the diagonals bisect each other
- each diagonal separates into two congruent triangles
- Trapezoid
- Isosceles Trapezoid
- upper base angles are congruent
- the diagonals are congruent
- opposite angles are supp.
- all properties of a regular trapezoid
- lower base angles are congruent
- any lower base angle is supp. to any upper base angle
- the bases are parallel
- lower base angle is supp. to the upper base angle
- Kite
- diagonals meet at a right angle
- exactly one pair of opposite angles that are congruent
- diagonals are perpendicular
- each diagonal bisects a pair of opposite angles
- a polygon with four sides