Respostas

2014-08-11T15:39:48-03:00
Si = 180(n-2)

Si= 180(7-2)

Si= 180*5 = 900.
1 5 1
2014-08-11T15:43:02-03:00
Si = 180 (n-2)

Si = 180 (7-2)

Si = 180*5 = 900