Archive of UserLand's first discussion group, started October 5, 1998.

Re: A bizarre geometric puzzle.

Author:Adam Trachtenberg
Posted:1/15/1999; 8:31:05 AM
Topic:Re: A bizarre geometric puzzle.
Msg #:2146 (In response to 2143)
Prev/Next:2145 / 2147

Yea. I started looking at the slope of the small triangle. 2 up / 5 across = 2/5. Then I looked at the large triangle. The height is 3, 1.5 times larger (2 * 1.5 = 3). For the 2 triangles to line up correctly, we need to keep the same slope. So, the length should also be 1.5 times larger. 5 * 1.5 = 7.5, but in the picture, the length is 8! That wasn't right.

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