Respostas

2013-09-09T12:13:52-03:00
102 = 62 + x2
x2 = 100 - 36
x2 = 64
x   =  √64
x  =   8
2013-09-09T12:36:49-03:00
Teorema de pitagoras
a2=b2+c2
100=x2+36
x2=64
x=8