Parabola Applications Maximizing Minimizing Reflectors, etc

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Professor RobBob, than you for showing the applications of Parabolas. Parabolas has many applications, such as satellite dishes and parabolic cables the support a bridge.

georgesadler
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Do you still need these worked out? Sorry I am just getting around to your question.

profrobbob
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Nice Shirt! we should get matching ones

BelowAVGED
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Great. Please do #73 & 75 on page 300 Blitzer: Airline 8000; Walnut tree. Txx

WilliamJCrocker
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I think the solution in this parabola/area problem may be incorrect. I believe the maximum area of a rectangle is when all sides are equal, i.e. a square, which would be inconsistent with the solution, 250 x 125. Thanks for your great videos and I look forward to your comment!

rickhoro