Ajar contains 16 beads. 4 beads are red, 4 are yellow, 5 are green, and 3 are blue. Which is the probability of picking a blue bead?

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