Neither is the top actually -- the slopes of the long sides of the two triangular blocks are not the same, (5 to 2 slope, and 8 to 3 slope I could find the angles, but I dont do trig after midnight) so they can never form a perfect triangle. The top combination is slightly concave, and the bottom slightly convex. As a side note, what makes this such a nice puzzle is that the difference in angle is hard to see, but in the end, the difference in area between the convexity and the concavity works out to one 'square' worth of space, which is easy to see in the second configuration.
Sorry i was such a spoil sport kyser, at least there were some more guesses. Tt was a very nice solution you had there too, I had had overcomplicated it byworking out the angles of the triangles, but just reading of the slope of the hypotenuse by working out the ratios of the sides of the triangles was so much simpler. what did you say they were 2.66 and 2.5? did you do the whole thing too?
No, I didn't do the whole thing, I just noticed that the two triangles were incongruent. I pretty much posted the same thing as ChainsawXIV, but also converted the ratios to decimals to make the difference in slopes more apparent.
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tpe
tpe
am i right
tpe