Quadrilaterals

quadrilateral

any four-sided polygon

parallelogram

a trapezoid with opposite sides parallel and congruent

rhombus

a parallelogram with four congruent sides.

rectangle

a parallelogram with four right angles

square

a rectangle with four equal sides or a rhombus with four right angles

trapezoid

quadrilateral with at least one pair of parallel sides

perpendicular

Lines that intersect forming right angles.

parallel

Lines that never touch, or intersect.

congruent

Exactly the same size.

kite

Is a quadrilateral in which two

consecutive sides have equal length.