Wednesday
August 20, 2014

Homework Help: Math

Posted by John on Thursday, August 19, 2010 at 11:13am.

If ABCD is an arbitrary convex quadrilateral, then the area enclosed by ABCD is described by
the formula
(1/2) AC*BD*sin(theta) , where ! is one of the angles formed by the intersecting
diagonals AC and BD. Prove this formula, and explain why it does not matter which of the
four possible angles ! represents.

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