Question

me ajudem pf.................

Answer 1

DA=CB

P=AB+BC+CD+DA

DC=EF=4  AE=FB=2

DA²=AE²+DE²
DA²=2²+(2$\sqrt{3}$)²
DA²=4+4.3
DA²=4+12
DA²=16
DA=4

P=8+4+4+4
P=20

A