GEOMETRIC PHOTO BOOK

Jonathan HarrisTechnology3rd Period

Three Dimensional

The property of the space in which we live and move that indicates motion can take place in three mutually perpendicular directions. This is often expressed with three-dimensional coordinates.

Disk

The union of a circle and its interior.

Golden Mean

The number , or about 1.61803. 

Golden Ratio

The number , or about 1.61803.

Golden Rectangle

A rectangle which has its ratio of length to width equal to the Golden Mean.

Golden Spiral

A spiral that can be drawn in a golden rectangle. 

Hexagon

A polygon with six sides.

Kite

A quadrilateral with two pairs of adjacent sides that are congruent.

Image of Transformation

The result of a transformation.

Nonagon

A polygon with nine sides.

Octagon

A polygon with eight sides.

Polygon

A closed plane figure for which all sides are line segments.

Rectangle

 Quadrilateral with four congruent angles (all 90°).

Regular Pyramid

A pyramid with a base that is a regular polygon.

Shift

A transformation in which a graph or geometric figure is picked up and moved to another location without any change in size or orientation.

Interior Angle

An angle on the interior of a plane figure.

Transformations

Operations that alter the form of a figure.

Translation

A transformation in which a graph or geometric figure is picked up and moved to another location without any change in size or orientation.

Trapezium

A quadrilateral with no parallel sides.

Trapezoid

 A quadrilateral which has one parallel pair of opposite sides and one non-parallel pair of opposite sides.