21. Find the acute angle between the following two planes. (1) 2x-2y-z-8-0 and x-8y+4z + 10 = 0

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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21. Find the acute angle between the following two planes.
(1)
2x-2y-z-8-0 and x-8y+4z + 10 = 0
Transcribed Image Text:21. Find the acute angle between the following two planes. (1) 2x-2y-z-8-0 and x-8y+4z + 10 = 0
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