5. Carrie is 5 years older than her sister Sue
was 9 years ago. Today, their ages have
a sum of 26. How old are Carrie and
Sue now?

Carrie is 11 years old and Sue is 15 years old

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