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Properties of Quads

PolygonProperties
Isosceles triangle Base angles are congruent, Altitude bisects the top angle and bisects the base
Equilateral triangle All sides are congruent, All interior angles are 60 degrees, Has all the properties of an isosceles triangle
Trapezoid Consecutive angles between parallel sides are supplementary
Parallelogram Opposite sides are congruent, Opposite angles are congruent, Diagonals bisect each other, Has all the properties of a trapezoid
Rectangle All angles are congruent, All angles are right angles, Has all the properties of a parallelogram
Kite Diagonals are perpendicular, Diagonal of symmetry bisects opposite angles
Rhombus Diagonals are perpendicular to each other, Diagonals bisect each other, Diagonals bisect opposite angles, Has all the properties of a kite
Square Has all the properties of the other quadrilaterals
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