Moby sold half his toy car collection, and then bought 12 more cars the next day. he now has 28 toy cars . how many cars did he have to start with

I’d say d hope it

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