Respostas

2014-05-12T14:37:43-03:00
A= a2√3/4

A=6×a2√3/2 simplificando 6 com 4 fica
A=3a2√3/2 logo.
A=3×4×2√3/2
A=3×16√3/2
A=48√3/2
A=24√3