Level:
Project ID:
1103101205
Accepted:
1
Clonable:
0
Easy:
0
Let \( ABCDEFV \) be a regular hexagonal pyramid with an edge \( AB \), where \( |AB| = 4\,\mathrm{cm} \), and an edge \( AV \), where \( |AV| = 8\,\mathrm{cm} \). Find the angle between the line \( AV \) and the base plane \( ABC \) (see the picture).
\( 60^{\circ} \)
\( 45^{\circ} \)
\( 72^{\circ} \)
\( 30^{\circ} \)