1956 AMC 12 Question 50
AMC12 · 1956 AMC 12
In triangle $ABC,$ $CA=CB.$ On $CB$ square $BCDE$ is constructed away from the triangle. If $x$ is the number of degrees in angle $DAB,$ then
$x$ depends upon triangle $ABC$
$x$ is independent of the triangle
$x$ may equal angle $CAD$
$x$ can never equal angle $CAB$
$x$ is greater than $45^\circ$ but less than
$90^\circ$