4th Grade Geometry Flashcards

Front

Point

Back

location in space, no size

Front

Line

Back

path, extends forever in both directions

Front

Line Segment

Back

of a line with two endpoints

Front

Ray

Back

of a line with one endpoint, extends forever in one direction

Front

Right Angle

Back

Front

Acute Angle

Back

Front

Obtuse Angle

Back

Front

Triangle

Back

sides, 3 angles

Front

Rectangle

Back

sides, 4 right angles, opposite sides equal

Front

Square

Back

equal sides, 4 right angles