Math 9 Quadrilaterals

Lintels

A vertical support, called supports, hold up horizontal elements.

General Quadrilateral

A type of Quadrilateral that has no specific properties and the sun of interior Angles is 360 Degrees

Parallelogram

A type of Quadrilateral that has opposite sides are equal and parallel, then opposite angles are equal. And diagonals bisect each other.

Rectangle

A type of Quadrilateral that has opposite sides equal and parallel, all angles are 90 Degrees, and diagonals are equal.

Rhombus

A type of Quadrilateral that has all sides equal, opposite sides are parallel, and opposite Angles are equal. Diagonals bisect each other at right angles but are not necessarily equal.

Square

A type of Quadrilateral has all sides are equal, all angles are 90 Degrees, and opposite sides are parallel. Diagonals sure equal and bisect each they other at right angles.

Trapezoid

A type of Quadrilateral has one pair of opposite sides of parallel, and the non-parallel sides are not necessarily equal. Angles on the same side of the trapezoid are supplementary.

Isosceles trapezoid

A type of Quadrilateral has over pair of opposite sides is parallel, and non parallel sides are equal. Base angles are equal.

Kite

A type of Quadrilateral has two pairs is adjacent sides are equal, and one diagonal bisects the other at right angles. One pair of opposite Angles is equal.