Respuesta :
No, it's not. The theorem for this is a^2 + b^2 = c^2. The largest length is always the hyponetenuse, so the equation goes to 16^2 + 63^2 = 68^2. Simplifying this yields 256 + 3969 = 4626. Going further, it's 4225 = 4626 which isn't true.