Area of a Trapezium

{Area}_{(trapezoid)} = \frac{1}{2} \cdot h \cdot (a + b)

$"Area"_"(trapezoid)" = 1/2 * "h" *( "a" + "b" )$

(a) top

$(a) "top"$

(b) bottom

$(b) "bottom"$

(h) height

$(h) "height"$