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.