area of 1/6 circle:
= 1/6 * 3.14 * 8^2
= 33.49 ft^2
area of equilateral triangle:
= √3/4 * 8^2
= 27.71 ft^2
Area of shaded = area of 1/6 circle - area of equilateral triangle
= 33.49 - 27.71
= 5.78
= 5.8 ft^2
answer
B. 5.8 ft^2
