Respuesta :

Answer: The perimeter of shape b is 50 cm

Step-by-step explanation: the perimeter of shape a is 60 cm but also 12 squares. So, if we do 60/12 it means that each side of a square is worth 5. Shape B has 10 sides of squares in its perimeter so 5*10=50cm.
It’s 50 because it’s the permit it would be B