88. π/2 ≤ 0 ≤ π/2,0 ≤ r ≤ 3,0 ≤ z ≤r cos 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.
Chapter7: Locus And Concurrence
Section7.2: Concurrence Of Lines
Problem 7E: Which lines or line segments or rays must be drawn or constructed in a triangle to locate its a...
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I only need help with #88, thanks in advance.
![Sketching a Solid In Exercises 87-90, sketch the solid that
has the given description in cylindrical coordinates.
87. 0 ≤ 0 ≤ π/2, 0 ≤ r ≤ 2, 0 ≤ z ≤ 4
88. − π/2 ≤ 0 ≤ π/2, 0 ≤ r ≤ 3, 0 ≤ z ≤ r cos
2π, 0 ≤ r ≤ a, r ≤ z ≤ a
89. 0≤ 0 ≤
90. 0 ≤ 0 ≤ 2π, 2 ≤ r ≤ 4, z² ≤ − r² + 6r – 8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3170a3e3-e4c5-4873-9820-7ae4930aac91%2Fd7810cc0-d8da-4597-b87e-db8f500f9b16%2Fk5yo9wl_processed.png&w=3840&q=75)
Transcribed Image Text:Sketching a Solid In Exercises 87-90, sketch the solid that
has the given description in cylindrical coordinates.
87. 0 ≤ 0 ≤ π/2, 0 ≤ r ≤ 2, 0 ≤ z ≤ 4
88. − π/2 ≤ 0 ≤ π/2, 0 ≤ r ≤ 3, 0 ≤ z ≤ r cos
2π, 0 ≤ r ≤ a, r ≤ z ≤ a
89. 0≤ 0 ≤
90. 0 ≤ 0 ≤ 2π, 2 ≤ r ≤ 4, z² ≤ − r² + 6r – 8
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