An airplane on autopilot took 5 hours to travel 3.475 kilometers. What was the airplane´s speed, in kilometers per hour? me ayudan? cofa

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

The answer is 49/16 or 3 1/16