The base of a solid is the region in the ry-plane bounded by the curves a = - y² + 6y + 69 and x = y? – 22y + 135. Every cross-section of this solid perpendicular to the y-axis (and to the ry-plane) is a half-disk with the diameter of the half-disk sitting in the ry-plane. The volume of this solid is:

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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The base of a solid is the region in the ry-plane bounded by the curves a =
- y? + 6y + 69 and
x = y? – 22y + 135.
Every cross-section of this solid perpendicular to the y-axis (and to the ry-plane) is a half-disk with the
diameter of the half-disk sitting in the ry-plane.
The volume of this solid is:
Transcribed Image Text:The base of a solid is the region in the ry-plane bounded by the curves a = - y? + 6y + 69 and x = y? – 22y + 135. Every cross-section of this solid perpendicular to the y-axis (and to the ry-plane) is a half-disk with the diameter of the half-disk sitting in the ry-plane. The volume of this solid is:
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