A new auditorium is built with a foundation in the shape
Chapter 14, Problem 45(choose chapter or problem)
A new auditorium is built with a foundation in the shape of one-fourth of a circle of radius 50 feet. So, it forms a region R bounded by the graph of
\(x^{2}+y^{2}=50^{2}\)
with \(x \geq 0\) and \(y \geq 0\). The following equations are models for the floor and ceiling.
Floor: \(z=\frac{x+y}{5}\)
Ceiling: \(z=20+\frac{x y}{100}\)
(a) Calculate the volume of the room, which is needed to determine the heating and cooling requirements.
(b) Find the surface area of the ceiling.
Text Transcription:
x^2 + y^2 = 50^2
x geq 0
y geq 0
z = x + y / 5
z = 20 + xy / 100
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