a square is split into four triangles, and then three of the four triangles are shaded as shown. If the areas of the shaded triangles are 3,4, and 6, as shown, what is the area of the unshaded triangle?
Added by Julian I.
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Let the vertices of the square be A, B, C, and D, with A and B adjacent. Let the intersection of the diagonals be E. Show more…
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