Answer:
area = 568 ft²
Explanation:
The area can be calculated by calculating the area of the 'outer rectangle '
Then subtract the area of the ' inner rectangle '
outer rectangle = 30 × 24 = 720 ft²
inner rectangle = 8 × (30 - 11) = 8 × 19 = 152 ft²
area of lawn = 720 - 152 = 568 ft²