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OpenStudy (anonymous):

A radio telescope has a parabolic surface as shown below. If the telescope is 1 m deep and 8 m wide, how far is the focus from the vertex?

OpenStudy (anonymous):

OpenStudy (anonymous):

this is the picture

OpenStudy (anonymous):

Please help!!

OpenStudy (mertsj):

Are we to assume that the focus is on that horizontal line? Is there any more information given than what you wrote?

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