Level:
Project ID:
1103055013
Accepted:
1
Clonable:
0
Easy:
1
The regular pentagon \( ABCDE \) is inscribed in a circle with the center \( S \) (see the picture). Express the measure of the angle \( SAB \).
\( 54^{\circ} \)
\( 72^{\circ} \)
\( 36^{\circ} \)
\( 108^{\circ} \)