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The base edges of a right parallelepiped, whose altitude is 8 in., measure 12 in. and 15 in. If the angle included by these edges is 135°, find the volume and the total surface area of the solid.

The base edges of a right parallelepiped, whose altitude is 8 in., measure 12 in. and 15 in. If the angle included by these edges is 135°, find the volume and the total surface area of the solid.

Elementary Geometry For College Students, 7e
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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9. The base edges of a right parallelepiped, whose altitude is 8 in., measure 12 in. and 15 in. If the angle included by these edges is 135°, find the volume and the total surface area of the solid.
Transcribed Image Text:9. The base edges of a right parallelepiped, whose altitude is 8 in., measure 12 in. and 15 in. If the angle included by these edges is 135°, find the volume and the total surface area of the solid.
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