Answer:
612 m^2.
Step-by-step explanation:
Area = area of 3 rectangles + area of 2 triangles
= 15 * 14 + 9 * 14 + 12 *14 + 1/2 * 9 * 12 + 1/2 * 9 * 12
= 210 + 126 + 168 + 54 + 54
= 612 m^2.
