Answer:
74yd²
Explanation:
You can divide into 3 rectangles from bottom down
Area = length x width
1st rectangle = 9 x 3 = 27yd²
2nd rectangle = 5x 4 = 20yd²
3rd rectangle = 9 x 3 = 27yd²
Add all the area
27 +20+27 = 74yd²
Another method
Find the area of the whole rectangle with the white area closed and included
Lenght 10yd, width 9yd
Area = 10 x9 = 90yd²
Find the area of the white area only
A = 4 x4 =16yd ²
Subract the area of the white square from the whole area of the rectangle
90 - 16 =74yd²