6
A simple geometry question that fools almost everyone
(www.theguardian.com)
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From a cursory glance of 1.), it seems to follow that
spoiler
x = 0
The outer triangle has sides 8, 5, and 3. This doesn't form a triangle.
Edit: bah, never mind. I looked at the solution, and I'm a dunce.
x = 1
because4 - 3 = 1
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