De acuerdo con el modelo de regresión lineal, jen qué año habría sido de 249,9 segundos el récord mundial masculino de tiempo de carrera de una milla?

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

I’m not sure about that