Úhel v krychli

\( \large\left|\sphericalangle{{ABH}}\right|\doteq60\degree \)
\( \large\left|\sphericalangle{{ABH}}\right|\doteq45\degree \)
\( \large\left|\sphericalangle{{ABH}}\right|\doteq54\degree44^{\prime} \)
\( \large\left|\sphericalangle{{ABH}}\right|\doteq30\degree \)