Lessons 16-3 and 16-4 vocabulary

A quadrilateral that has two pair of parallel sides.

• rhombus

• trapezoid

• parallelogram

• square

A quadrilateral that has four right angles, and all sides are the same length.

• rectangle

• parallelogram

• rhombus

• square

A quadrilateral that has four right angles.

• rectangle

• parallelogram

• rhombus

• square

A quadrilateral with only one pair of parallel sides.

• rectangle

• rhombus

• trapezoid

• square

A quadrilateral that has opposite sides that are parallel and all of its sides are the same length.

• rhombus

• rectangle

• trapezoid

• square

The line on which a figure can be folded so both halves are the same

• perpendicular

• line of symmetry

• parallel

• line symmetric

If a figure can be folded on a line to form two halves that fit exactly on top of each other

• perpendicular

• line of symmetry

• parallel

• line symmetric