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FRUSTUMS OF RECTANGULAR PYRAMIDS
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Problem 32B.—What will be the weight of each of the above sizes of pans if made from No. 28 U. S. S. Gage black iron (.6375 lb. per sq. ft.) and "wired" with No. 8 gage wire weighing .07 lb. per running foot? (Do not deduct for the corners that are cut away.)
Problem 32C.—Using stock size sheets of 30″×96″ black iron, what would be the percentage of waste per pan for dripping pans measuring 12″×17″ and 2″ deep?
