arctg (3/pi*24.5)
$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}^{\!\!\mathtt{-1}}{\left({\frac{{\mathtt{3}}}{{\mathtt{\pi}}}}{\mathtt{\,\times\,}}{\mathtt{24.5}}\right)} = {\mathtt{87.552\: \!510\: \!157\: \!771^{\circ}}}$$
