--actually they are used in real life. parabolas are seen in "parabolic microphones" or satellites. and there are others for both ellipses and hyperbolas.
Parabolas are used in satalights and flash lights and archiceture and maths, whoever wrote eggs is very wrong parabolas ends never meet* * * * *All very true. The only problem is that a parabola is...
circles are used to set bases of cylinders, diameters for barrels, tires, ect... if you CAN'T think of anything else a circle is used for, think HARDER and there is no real use for trapezoids accept...