In exercises 20- 22 , describe how the change affects the surface area of the regular pyramid or right cone.

5 mm the regular pyramid 25. S = 864 in.2 1 mm 12 cm- 4 mm Exercises 19-22, describe how the change affects X surface area of the regular pyramid or right cone. Example 5.) 27. WRITING Explai doubling the radius 20. multiplying the base have a slant heig edge lengths by = and the slant height by 5 28. WRITING Explai 7.6 in. 4 mm a slant height. 29. ANALYZING REL AB = 3, and DC 10 mm 3 in. ipling all the linear 22. multiplying all the mensions linear dimensions by m 3.6 ft a. Prove AABC m 2.4 ft b. Find BC, DE, c. Find the surfa BLEM SOLVING Refer to the regular pyramid and smaller cone cone. areas using a 30. REASONING TO