Math Knowledge Flash Card Set 434159

Card 1 of 10
Trapezoid

A trapezoid is a quadrilateral with one set of parallel sides. The area of a trapezoid is one-half the sum of the lengths of the parallel sides multiplied by the height. In this diagram, that becomes ½(b + d)(h).

trapezoid

A __________ is a quadrilateral with one set of parallel sides.