Geometry Vocabulary

the bottom of a 3-dimensional figure

• Base

• cylinder

• trapezoid

• square

a 3-dimensional curved figure that has a flat, round base and one vertex

• cylinder

• quadrilateral

• cone

• face

figures, lines or angles that have the exact same shape and equal size

• square

• congruent

• face

• parallelogram

a 3-dimensional figure with 2 cirucular bases and a curved surface

• circle

• vertex

• trapezoid

• cylinder

a line segment formed where to faces meet

• prism

• circle

• edge

• rectangle

a closed 2-dimensional figures that is closed with straight sides

• polygon

• cube

• parallelogram

• trapezoid

a shape with 5 straight sides and 5 vertices

• trapezoid

• circle

• edge

• pentagon

a 3-dimensional figure whose base matches its opposite face

• parallelogram

• prism

• rectangular prism

• hexagon

a quadrilateral where opposite sides are parallel, opposite sides are congruent, and 4 right angles

• quadrilateral

• triangular prism

• parallelogram

• rectangle

a polygon with 4 straight sides and 4 vertices

• vertex

• prism

• pentagon

• quadrilateral