Euclidean geometry/Parallel lines, quadrilaterals, and circles

Summary of Chapter
To understand the properties of parallel lines, quadlaterals and circles.

Quadrilaterals
A quadlateral is defined as any 4 sided polygon.

Parallelograms
A parallelogram is a quadrilateral with equal opposite angles and opposite sides with equal length.

Rectangles
A Rectangle is a parallelogram with all right angles.

Squares
A square is a rectangle in which the lengths of all the sides are equal.

Circles
A circle is the set of points in a plane that are a given distance from a given point, the center. The distance between any of the points and the center is called the radius.