Section 12.6: Cylinders & Quadric Surfaces
47. Exercise 43
Sketch the region bounded by the surfaces \(z = \sqrt{x^2 + y^2}\) and \(x^2 + y^2 = 1\) for \(1 \le z \le 2\).
Sketch the region bounded by the surfaces \(z = \sqrt{x^2 + y^2}\) and \(x^2 + y^2 = 1\) for \(1 \le z \le 2\).