Respostas

2014-07-31T17:38:04-03:00
Sendo 2p o Perímetro, temos:

2p = 4L
D =  L\sqrt{2}

20 = 4L
L = 5

L = 5 \sqrt{2}
2014-07-31T17:46:23-03:00
4L= p
4L = 20
L= 20
L =/4
L = 5

agora o diagonal
L2+L2= D2
5 2+ 5 2= D 2
25+25= D2
D= raiz de 50 D= 5* raiz de2
1 5 1