2000005907 | math4u.vsb.cz

SubArea:

Level:

Project ID:

2000005907

Accepted:

0

Clonable:

0

Easy:

1

Find the magnitude of the angle that the diagonals

B E

and

D H

make in the regular nonagon

A B C D E F G H I

. (See the picture.)

80^{\circ}

60^{\circ}

70^{\circ}

40^{\circ}