Ch.6 Polygons and Quadrilaterals
By: Amber Rivet
Kite
A kite is a quadrilateral with two pairs of consecutive sides congruent and not opposite sides congruent
Trapezoid and Isosceles
A Trapezoid has only one pair of parallel sides while an isosceles has 2 legs that are congruent
Rectangle
A rectangle is a parallelogram with four right angles
Rhombus
A Rhombus is a parallelogram with four congruent sides
Square
A square is a parallelogram with four congruent sides and four right angles
Theorem 6-3
If a quadrilateral is a parallelogram, then its opposite sides are congruent
Theorem 6-4
If a quadrilateral is a parallelogram, then its consecutive angles are supplementary
Theorem 6-5
If a quadrilateral is a parallelogram, then it opposite angles are congruent
Theorem 6-6
If a quadrilateral is a parallelogram, then it diagonals bisect each other
Theorem 6-7
If 3(or more) parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal
Properties of a Parallelogram - MathHelp.com - Geometry Help