Guanglei works in urban landscaping design. a delivery truck arrived, pouring a cone-shaped pile of gravel 6 feet high with a diameter at the base of 8.2 feet. how much gravel was delivered? (use π=3.14)

105.57 cubic feet.

Step-by-step explanation:

A delivery truck arrived in the construction site and pouring a cone-shaped pile of gravel 6 feet high with a diameter at the base of 8.2 feet.

Therefore, the volume of the cone shaped pile is , where r = feet and h = 6 feet.

Hence, V = cubic feet.

So, 105.57 cubic feet of gravel was delivered. (Answer)