Jawabanmu

2014-06-04T17:35:49+07:00
N = 360 derajat/x - 1
9 = 360/x - 1
9+1 = 360/x
10 = 360/x
x = 360/10
x = 36

semoga bermanfaat !
1 5 1
2014-06-04T17:44:08+07:00
n  = 360 drjt/x -1
9  = 360/x -1
9+1 = 360/ x
10  = 360/ x
x  = 360/10
x  = 36