The side of the square measures $1\ \mathrm{cm}$ , and $AC = 1\ \mathrm{cm}$, find the value of $AB$
Elementary Geometry
7
$\begingroup$
geometry
triangles
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0At first glance I'd suggest using similar triangles and Pythagoras and then bashing it out with algebra but that would be no fun (nor am I sure whether it'd work). Hoping someone posts some simplistically marvelous proof – 2012-03-01