An observatory has the shape of a right circular cylinder surmounted by a hemisphere. If the radius of the cylinder is 14 ?? and its altitude measures 30 ??, what is the surface area of the observatory? If 1 ??? of paint covers 300 ??2 , how many gallons are needed to paint the surface if it requires two coats?
An observatory has the shape of a right circular cylinder surmounted by a hemisphere. If the radius of the cylinder is 14 ?? and its altitude measures 30 ??, what is the surface area of the observatory? If 1 ??? of paint covers 300 ??2 , how many gallons are needed to paint the surface if it requires two coats?
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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An observatory has the shape of a right circular cylinder surmounted by a
hemisphere. If the radius of the cylinder is 14 ?? and its altitude measures 30 ??, what is the surface area of the observatory? If 1 ??? of paint covers 300 ??2
, how many gallons are needed to paint the surface if it requires two coats?
![30 t
un
14](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7f62f188-4c49-4a18-9fa4-2fca7f1ebe5e%2F6b2e6cf4-6e41-4ce8-acdc-d8556d5eee11%2Fcbdmmnk_processed.png&w=3840&q=75)
Transcribed Image Text:30 t
un
14
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