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# ABCD is a trapezium such thatt AB parallel to CDCD andd BC and CD aree perpendicular angleADB=x,BC=P,CD=q, then find AB=?

6 years ago

## Answers : (1)

Arun Kumar
IIT Delhi
256 Points
Let K be point of intersection of perpendicular from A to CD.
$CD=DK+KC\\ KD=p/tan(x)\\ AB=KC\\ KC=q-pcot(x)$

Arun Kumar
IIT Delhi
6 years ago
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