Respuesta :

Answer:

56 m^2

Step-by-step explanation:

Area of a trapezoid = (a+b)*h/2, where a and b are lengths of the bases and h is the height.

Convert all units to meters,

800 cm = 8 meter

Area = (5+9)*8/2 = 14*8/2 = 14*4 = 56 m^2