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Mathematics 20 Online
OpenStudy (anonymous):

Construct the perpendicular line to DE at point F.

OpenStudy (anonymous):

OpenStudy (anonymous):

Do you know that a perpendicular lines are a degenerated parabola ?

OpenStudy (anonymous):

B

OpenStudy (anonymous):

btw why B dhashini ?

OpenStudy (anonymous):

the ans actually is B

OpenStudy (anonymous):

Yes it's B. The technique is explained here http://www.mathopenref.com/constperplinepoint.html

OpenStudy (anonymous):

LOL

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