Aplayhouse is in the shape of a regular octagonal pyramid with a side length of 3 feet and a slant height of 12 feet. the wood used to build the walls of the playhouse costs $4 per square foot. what is the cost of the wood for the walls of the playhouse?

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3