At the end of the summer a store marks down all the outdoor furniture 18% . a family bought 4 chairs in june at $35 each, then 2 more chairs when they went on sale. how much did all 6 chairs cost

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