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OpenStudy (fanduekisses):
A radio telescope has a parabolic surface as shown below. If the telescope is 9 m deep and 12 m wide, how far is the focus from the vertex?
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OpenStudy (fanduekisses):
OpenStudy (fanduekisses):
I don't get it, if this is a parabola, what is that line with length of 12m?
OpenStudy (fanduekisses):
I have to look for p right?
OpenStudy (sidsiddhartha):
all right first |dw:1406826756833:dw| first u need to find p
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