Which polynomial is of the fourth degree? 1) a^3*(a+b)*(a^2+b^2)
2) b*(a^3+a^2+b^2)
3) a^2*(a^2+b^3)
4) 4a^3

You have 2 sides that are 2 cms and you have 6 sides that are 1/2 cm and you have 4 sides that are 1 cm. the smallest sides are 1/2 the medium sized sides are 1 and the smallest are 1/2. so to find the perimeter you have to add them all up together so your answer will be 11 cm's