 # Geometry Mr. Zampetti Unit 3, Day 4

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Geometry Mr. Zampetti Unit 3, Day 4
Quadrilaterals Geometry Mr. Zampetti Unit 3, Day 4

Vocabulary Quadrilateral: A polygon with 4 sides.
Consecutive angles: Two angles whose vertices are endpoints of a side. Opposite angles: Two angles that are not consecutive angles. A B D C

Parallelogram Characteristics of a parallelogram:
Opposite sides are parallel. Opposite sides are congruent. Opposite angles are congruent. Consecutive angles are supplements. Diagonals bisect each other.

Rectangle A parallelogram with four right angles.
The diagonals of a rectangle are congruent.

Rhombus A parallelogram in which all sides are of equal length.
The diagonals of a rhombus are perpendicular to each other. The diagonals of a rhombus bisect its angles.

Square A rectangle in which all sides are of equal length.

Trapezoid What is a trapezoid?
A quadrilateral in which only one pair of opposite sides are parallel.

Isosceles Trapezoid A trapezoid in which the nonparallel sides are equal.

Kite A kite is a quadrilateral with two pairs of adjacent sides congruent and no opposite sides congruent.