OpenStax, Algebra and Trigonometry 2e §12.3 The Parabola · Exercise 67 · Geometry · Conic sections
The Parabola · Exercise 67
A satellite dish is shaped like a paraboloid of revolution. This means that it can be formed by rotating a parabola around its axis of symmetry. The receiver is to be located at the focus. If the dish is 12 feet across at its opening and 4 feet deep at its center, where should the receiver be placed?
OpenStax, Algebra and Trigonometry 2e · §12.3 The Parabola · Exercise 67
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