Funny math

Anyone care to explain the two right triangles, one with the hole, problem to me? Not even a cup of coffee has helped me figure out what went wrong here. All of the shapes appear to be equivalent in triangle one and non-triangle two, but non triangle two obviously is one square unit smaller in area, but of course that’s impossible. AARGH!

3 Responses to “Funny math”

  1. Pepe Says:

    About the triangles: simply note that the second triangle is not a triangle at all. Can you see the little max edge (hypotenuse) curvature? It’s not a straight line.
    If you remember the straight line equation you can check it by yourself.

  2. justgonnastay Says:

    Neither one is a true triangle. Line AB is slightly concave and DE is slightly convex. This seemingly miniscule difference is enough to make up the area of that little square.

  3. pepe Says:

    Thanks justgonnastay for clarifying my explanation!

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