Find the area of this Trapezoid

Answer:
5,600
Step-by-step explanation:
Formula: a+b/2 times h
Substitue:
5+9/2 times 800
Answer: 5,600 m squared
Answer:
5600 m²
Step-by-step explanation:
A = (a + b / 2)h
A = (9 + 5 / 2)800
A = 5600
***Hope this helped!!***