Posted by MIMI on .
what is the area of a trapazoid:
1/2*(12+5.4)*6

MATH 
GanonTEK,
Area of Trapezoid = h*((a+b)/2)
where a and b are the two parallel sides and h is the perpendicular height.
If your a and b are 12 and 5.4 and the perpendicular height is 6 then your equation above is correct.