Quadrilaterals

Quadrilaterals

1. parallelograms

   • opposite sides are congruent
   • consecutive angles are supplementary
   • diagonal lines bisect each other
   • opposite angles are congurent
   • rhombus
     • diagonal lines meet at right angle
     • quadrilateral with 4 congruent sides
       • diagonal lines bisect angles
   • rectangle
     • diagonal lines are congruent
     • all angles are right angles
     • square
       • parallelogram with 4 right angles and 4 congruent sides
       • diagonals are congruent

2. 4 sides

3. trapezoid

   • one set of parallel lines
   • base angles are congruent
   • isosceles trapezoid
     • legs are congruent
     • diagonals are congruent, but do not bisect each other
     • diagonals are congruent but do not bisect each other

4. kite

   • 2 sets of consecutive sides that are congruent and no opposite side is congruent
   • diagonals make a right angle

5. kite

   • 2 sets of consecutive sides that are congruent and no opposite side is congruent
   • diagonals make right angles

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