Math Vocab Shapes

Math Vocab Shapes

base

A special face or pair of faces on a 3-dimensional figure.

congruent

Figures that are the same size and same shape.

edge

The line segment formed where two faces of a solid figure meet.

face

A flat surface of a 3-dimensional solid.

vertex/vertices

The point where 2 rays meet, or where two sides of a polygon or three or more edges in a solid figure meet; the top point of a cone or pyramid.

ray

A part of a line, with one endpoint, that is straight and continues in one direction.

polygon

A closed figure made of line segments.

quadrilateral

A polygon with four sides and four angles.

rectangular prism

A three-dimensional solid with 6 rectangular faces

triangular prism

A three-dimensional solid with two congruent, triangular bases; other faces are parallelograms; has 5 faces.

sphere

A three-dimensional solid that has the shape of a round ball.

parallelogram

A quadrilateral with 2 sets of opposite sides that are parallel and congruent.

hexagon

A polygon with six sides and six angles.

pentagon

A polygon with five sides and five angles.

rectangle

A polygon with four sides and four right angles.

rhombus

A parallelogram with four congruent sides and opposite angles that are congruent.

square

A special rectangle with four sides and four right angles.

trapezoid

A quadrilateral with exactly one pair of parallel sides.

octagon

A polygon with eight sides and eight angles.