Euclidean geometry/Parallel lines, quadrilaterals, and circles
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Summary of Chapter[edit | edit source]
To understand the properties of parallel lines, quadlaterals and circles.
Quadrilaterals[edit | edit source]
A quadlateral is defined as any 4 sided polygon.
Special quadrilaterals[edit | edit source]
Parallelograms[edit | edit source]
A parallelogram is a quadrilateral with equal opposite angles and opposite sides with equal length.
Rectangles[edit | edit source]
A Rectangle is a parallelogram with all right angles.
Squares[edit | edit source]
A square is a rectangle in which the lengths of all the sides are equal.
Circles[edit | edit source]
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.