Derive (1) from the formula S = arl for the surface area of a cone with slant height / and radius r. (Hint: The surface area of the frustum is the difference of the surface areas of two cones, one with radius r, and one with radius r1.)

Derive (1) from the formula S = arl for the surface area of a cone with slant height / and radius r. (Hint: The surface area of the frustum is the difference of the surface areas of two cones, one with radius r, and one with radius r1.)

Name: I want an answer of question number 8 . Derive (1) from the formula S
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Description: I want an answer of question number 8 . Derive (1) from the formula S = arl for the surface areaof a cone with slant height / and radius r. (Hint: Thesurface area of the frustum is the difference of thesurface areas of two cones, one with radius r, a

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.3: Cylinders And Cones

Problem 23E

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