Respostas

2013-12-12T18:24:23-02:00
Comprimento = b
Largura = c
m = 36
n = 64
diagonal (a) --> a = m+n --> a = 36+64 --> a = 100
b² = a.m --> b² = 100.36 --> b = \/(100.36) --> b = 10.6 --> b = 60
c² = an --> c² = 100.64 --> c = \/(100.64) --> c = 10.8 --> c = 80
P = 2.(b+c)
P = 2.(60+80)
P = 2.140
P = 280 cm