Respostas

2013-09-23T18:04:13-03:00
L² + l² = (50)² 2l²  =  2500 l²  = 2500 :  2 l²   = 1250 l     = √1250 = √10x125 = √2x5x5³ = √2x5 =5²√2  = 25√2           25x1,4 =~35,25 cm l = ~35,25 cm P = l + l + l+ l = 35,25 + 35,25 + 35,25 + 35,25 = 4 x 35,25 = ~141 cm