30% of a number is 120 what is 75% of the number
a: 90
b: 300
c: 27
d: 48

B, the other choices are too short to even be considered

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