please help will give brainliest. Links will be banned

Answer:
Step-by-step explanation:
Area = 30 x 15 - 10 x 5
Area = 450 - 50
Area = 400 m^2
Hope that helps! :)
-Aphrodite
Answer:
400 m^2
Step-by-step explanation:
the figure is composed by a square and a rectangle
Area of the square = side^2 = 10^2 = 100 m^2
area of the rectangle = base x height = 20 x 15 = 300 m^2
total area = 300 + 100 = 400m^2