Un auto que se mueve con una velocidad de 30m/s en una calle en un solo sentido debe detenerse en 4 seg a) cual es la aceleracion requerida? b) cuanta distancia recorre antes de detenerse?

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