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 Triangle Area (Posted on 2008-11-28)
Let ABC be any triangle. Let D be a point on side AB and let E be a point on side AC. Draw lines CD and BE and call their intersection F. Triangle ABC is then divided into three smaller triangles BDF, CEF, BCF and a quadrilateral ADFE.

Let the area of BDF equal r, the area of CEF equal q, and the area of BCF equal p. Express the area of the whole triangle ABC in terms of p, q, and r.

 See The Solution Submitted by Brian Smith No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)
 Solution | Comment 9 of 11 |
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`             p*(p+q)*(p+r)Area(ABC) = ---------------               p*p - q*r`
` `

 Posted by Bractals on 2008-12-01 08:22:10
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