Answer:
about 21.9 ft²
Explanation:
area of a half circle =
so
ft²
are of a square is
so 6 x 6 = 36 ft²
so the area of the figure would equal the area of the square minus the area of the half-circle
36 ft² - 14.13716694 ft² = 21.86283306 ft² ≈ 21.9 ft²