Write 5.8 as a mixed number in simplest form

5 8/10 which can be simplified as 5 4/5 because 8 & 10 share the common factor of 2. So the answer is 5 4/5.

Where’s the stuff st? ? lol sorry

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