Quadrilaterals Flashcards
Memorization
both pairs of opp angles are congruent
Parallelogram (Rectangle,Rhombus,Square)
A polygon with four sides
Quadrilateral (Rectangle,Rhombus,Square)
Both pairs of opp sides are parallel
Parallelogram (Rectangle,Rhombus,Square)
All sides are congruent
rhombus and square
Exactly one pair of opp sides are parallel
trapezoid
consecutive angles are supp
Parallelogram (Rectangle,Rhombus,Square)
Area of a parallelogram
Base times height
one pair of opp sides are parallel and congruent
Parallelogram (Rectangle,Rhombus,Square)
exactly two pairs of consec angles are supp
trapezoid
diags bisect each other
Parallelogram (Rectangle,Rhombus,Square)
Both pairs of opp sides are congruent
Parallelogram (Rectangle,Rhombus,Square)
exactly one pair of opposite angles are congruent
Kite
diags are perp
rhombus, square, and Kite
Diags are congruent
Rectangle and square
Trapezoid
1/2 (base 1 ++ base 2)(height)
Diags bisect the opp angles
rhombus and square
Area of kite
1/2(diag 1 times diag 2)