\ANG{
Konstruiere folgende Winkel: $\alpha=112{,}5^{\circ}$,
$\beta=225^{\circ}$, $\gamma=78{,}75^{\circ}$ und $\delta=292{,}5^{\circ}$. 
}
%
\LSG{
 $\D\alpha=112{,}5^{\circ}=90^{\circ}+\frac{90^{\circ}}{4}$, 
 $\D\beta=225^{\circ}=180^{\circ}+\frac{90^{\circ}}{2}$\\[2mm]
 $\D\gamma=78{,}75^{\circ}=90^{\circ}-\frac{90^{\circ}}{8}$,
 $\D\delta=292{,}5^{\circ}=270^{\circ}+\frac{90^{\circ}}{4}$
}
