Answer:
700ft^2
Step-by-step explanation:
What's there not to understand?
The rectangle on top has area of 23 × 14 = 322ft^2
The rectangle on bottom has area of 23 × 12 = 276ft^2
Two triangles make 1 rectnagle with area 17 × 12 = 102ft^2
Add them all up 700 ft^2
