Geometry Terms - Chapter 1

Front

polygon

Back

A closed two-dimensional figure with three or more sides, where each side meets exactly two other sides at their endpoints.

Front

net

Back

A two-dimensional pattern that can be folded to make a three-dimensional solid.

Front

isometric drawing

Back

A method for visually representing three-dimensional objects in two dimensions.

Front

orthographic drawing

Back

A way of representing a three-dimensional object in two dimensions with three two-dimensional views : front, top, and right side.

Front

conjecture

Back

An unproven statement that is based on observations.

Front

point

Back

An exact location in space, typically represented by a dot.

Front

plane

Back

A flat, two-dimensional surface that extends infinitely far.

Front

line

Back

A straight one-dimensional figure having no thickness and extending infinitely in both directions.

Front

segment

Back

A part of a line that is bounded by two distinct endpoints.

Front

endpoint

Back

A point at one end of a segment or the starting point of a ray.