2000005907

SubArea: 
Level: 
Project ID: 
2000005907
Accepted: 
0
Clonable: 
0
Easy: 
1
Find the magnitude of the angle that the diagonals \(BE\) and \(DH\) make in the regular nonagon \(ABCDEFGHI\). (See the picture.)
\( 80^{\circ}\)
\( 60^{\circ}\)
\( 70^{\circ}\)
\( 40^{\circ}\)