User:Waffle

$[asy] dot((0,0)); dot((1,0)); draw((0,0)--(1,0)--(1,0.5)); draw(circle((1,0),0.5)); draw((0.75,-sqrt(3)/4)--(1.25,sqrt(3)/4)); draw((1-sqrt(3)/4,0.25)--(1+sqrt(3)/4,-0.25)); label("$\theta $",(1.025,0.1),NNE); label("$\theta $",(0.85,0.025),WNW); [/asy]$ Degree of tilt is $\theta$ .