Geometry Flashcards

Front

Acute Angle

Back

An angle that measures greater than 0° and less than 90°.

Front

Angle

Back

A figure formed by two rays that share an endpoint.

Front

Acute Triangle

Back

A triangle with three acute angles.

Front

Obtuse Triangle

Back

A triangle with one obtuse angle.

Front

Obtuse Angle

Back

An angle that measures greater than 90° and less than 180°.

Front

Line graph

Back

A graph that uses line segments to show how data change over time.

Front

Line of symmetry

Back

An imaginary line on a shape about which the shape can be folded so that its two parts match exactly.

Front

Line

Back

A straight path extending in both directions with no endpoints.

Front

Intersecting lines

Back

Lines that meet or cross.

Front

Line segment

Back

A part of a line that includes two points, called endpoints.