Otto is sitting on 10 blocks of gold. the blocks are in the shape of right trapezoidal prisms. the trapezoidal base of the prism has bases of 10 inches and 7 inches with a height of 8 inches. the lateral edge of the prism is 19 inches. a) upon how many total cubic inches of gold is he sitting? b) determine the worth of otto's gold based upon the gold pricing of $13,067.76 per troy pound. utilize the following information: • there are 1728 cubic inches in 1 cubic foot. • there are 1,206.83 pounds of gold in 1 cubic foot. • there are 0.82 pounds in 1 troy pound.