A radio telescope has the shape of a paraboloid of
Chapter 11, Problem 51(choose chapter or problem)
A radio telescope has the shape of a paraboloid of revolution, with focal length p and diameter of base 2a. From calculus, the surface area S available for collecting radio waves is One of the largest radio telescopes, located in Jodrell Bank, Cheshire, England, has diameter 250 feet and focal length 75 feet. Approximate S to the nearest thousand square feet.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer