Blogs @Jonah's Math Corner

The Controversial Triangular Areas

Here is the original questions. It asks you to find the overlapped area (which is, of course, of triangular shape).


Below is a copy of one students’ work. From this copy, we find he kinds-of get three different answers: the area could be 24, 25 or 32.


But the area of a triangle should be the same under the given conditions. How come we get different answers?

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