SHORT RESPONSE In the figure, AC 5 4, AB 5 3, and DC 5 2. a. Prove nABC , nDEC. b. Find

Chapter 12, Problem 12.3.31

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SHORT RESPONSE In the figure, AC 5 4, AB 5 3, and DC 5 2. a. Prove nABC , nDEC. b. Find BC, DE, and EC. c. Find the surface areas of the larger cone and the smaller cone in terms of . Compare the surface areas using a percent. ADBEC

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