Value: 1 Find the volume of the figure. Round your answers to the nearest hundredth, if necessary.
2 ft
a. 4.19 ft?
b. 33.51 ft
c. 10.35 ft
d. 14.92 ft

Adam is building a deck in his backyard around a tree. the deck is in the shape of a regular octagon. in the center of the deck, there is a hole for the tree. if a = 10.9 ft, s = 9 ft, and the diameter of the hole is equal to 7 ft, find the area of the deck to the nearest tenth of a square foot. (use 3.14 as an approximation of pi.)