1981 AHSME Problems/Problem 2
Point is on side
of square
. If
has length one and
has length two, then the area of the square is
Solution
Note that is a right triangle. Thus, we do Pythagorean theorem to find that side
. Since this is the side length of the square, the area of
is $3, \boxed{\qquad\textbf{(C)}\ 3\qquad\textbf}$ (Error compiling LaTeX. Unknown error_msg).
~superagh