In how many different ways can you answer a multiple choice test that has 5 questions and 3 choices for each answer? 15 125 243

3*3*3*3*3 = 3^5 = 243 ways

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