Geometric Shapes Vocabulary

a closed shape with straight edges

• regular

• irregular

• polygon

• quadrilateral

a 4-sided polygon

• regular

• irregular

• polygon

• quadrilateral

a quadrilateral with all equal sides and all right angles

• rhombus

• rectangle

• square

• parallelogram

a quadrilateral with right angles and opposite sides that are equal

• rhombus

• rectangle

• square

• parallelogram

a quadrilateral with all equal sides (but not all equal angles)

• rhombus

• rectangle

• square

• parallelogram

a quadrilateral with one set of parallel edges

• rhombus

• rectangle

• trapezoid

• parallelogram

a quadrilateral where opposite sides are parallel

• rhombus

• rectangle

• trapezoid

• parallelogram

a corner or point where 2 lines meet

• angle

• side

• vertex

  (vertices)

a line that joins 2 vertices

• angle

• edge

• vertex

the space between 2 intersecting edges

• angle

• side

• vertex