Quadrilaterals Flashcards
Interior angle formula
180(n-2)
Props of parallelograms
-opposite sides and opposite angles are congruent
-Consecutive angles are supplementary
-If one angle is right all are right
-Diagonals bisect each other, separating it into 2 congruent triangles
Props of rectangles
-Opposite sides are congruent
-Angles are right
-Diagonals are congruent and bisect each other
Props of rhombi
-Diagonals are perpendicular/angle bisectors
-Sides are parallel/congruent
Props of squares
-All sides are congruent
-All angles are 90 degrees
-Diagonals are and bisect each other, forming a 90 degree angle
Props of trapezoids
-Bases are parallel
Props of isosceles traps
-Base angles are congruent
-Legs are congruent
-Diagonals are congruent
Props of kites
-Diagonals are perpendicular
-1 pair of opposite angles is congruent
-Opposite sides are not congruent or parallel