12. The region in each of the following figures revolves about the indicated axis. For each case, a three-dimensional fig- ure is obtained. Name and sketch the figure and find the surface area of each. 30 cm 10 cm 15 cm 20 cm

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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solve a and b please!
12. The region in each of the following figures revolves about
the indicated axis. For each case, a three-dimensional fig-
ure is obtained. Name and sketch the figure and find the
surface area of each.
b.
30 cm
10 cm
15 cmm
Transcribed Image Text:12. The region in each of the following figures revolves about the indicated axis. For each case, a three-dimensional fig- ure is obtained. Name and sketch the figure and find the surface area of each. b. 30 cm 10 cm 15 cmm
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