Respostas

2014-06-05T19:47:57-03:00
A - 2340/180=13 lados tridecagono

B- 180 2340/13

C - 180 2340/13

D - 2340

E - D= n * (n-3)/2
D = 13 * 10/2
D = 130 / 2
D= 65