x =√2² + 3²
x = 3.60
y = √x² + 3²
y = √(3.60)² + 3²
y = 4.68
z = √y² + 5²
z = √(4.68)² + 5²
z = 6.84
Resposta: x = 3.60, y = 4.68 e z = 6.84
