Your race car weighs 1.5 tons. to make the car faster, you replaced the steel body with carbon-fiber and reduced the weight by 300 pounds. how much does your race car weigh now?

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