Quadrilateral Properties Project

Varshini S. Nihar T. Pranjal J. and Dhakshin S.

Paralleogram

  • Both sides of opposite sides are parallel.

  • Both pairs of opposite are congruent.

  • The opposite angles are congruent.

  • The diagonals form 2 congruent triangles

  • The diagonals bisect each other.

Square

  • 2 pairs of opposite sides are parallel

  • Both pairs of opposite sides are congruent

  • All sides are congruent

  • opposite angles are congruent

  • All angles are congruent

  • Diagonals form two congruent triangles

  • Diagonals form two congruent isosceles triangles

  • Diagonals are congruent

  • Diagonals bisect the opposite angles

  • Diagonals are perpendicular

  • Diagonals bisect each other

  • Base angles are congruent

Rectangle

  • Both sides of opposite sides are parallel.

  • Both pairs of opposite are congruent.

  • The opposite angles are congruent.

  • All angles are congruent.

  • The diagonals form 2 congruent triangles.

  • The diagonals are congruent.

  • The diagonals bisect each other.

  • The base angles are congruent.

Kite

  • The diagonals are perpendicular

Rhombus

  • 2 pairs of opposite sides parallel

  • 2 pairs of opposite sides congruent

  • all sides congruent

  • Opposite angles are congruent

  • Diagonals form congruent triangles

  • Diagonals form two congruent isosceles triangles

  • Diagonals bisect the opposite angles

  • Diagonals are perpendicular

  • Diagonals bisect each other

Trapezoid & Isosceles Trapezoid

Trapezoid
  • There is exactly one pair of opposite sides that are parallel

Isosceles Trapezoid


  • There is exactly one pair of opposite sides that are parallel

  • There is exactly one pair of opposite sides that are congruent

  • The diagonals are congruent

  • The diagonals bisect the opposite angles

  • Base angles are congruent