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Parabolas
Every radio telescope has the same shape dish. This shape is called a paraboloid, a three dimensional shape formed by rotating a parabola around its axis of symmetry.
Every radio telescope has the same shape dish. This shape is called a paraboloid, a three dimensional shape formed by rotating a parabola around its axis of symmetry. We have collected some different ways of constructing parabolas:
...and of course teachers may want to highlight that graphs of quadratic functions are parabolas, too!
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