The sides of the parallelogram are 36 cm and 12 cm. What part of the perimeter is each side?

1. Find the perimeter of the parallelogram by adding the doubled value of its unequal sides:
Perimeter = 36 * 2 + 12 * 2 = 72 + 24 = 96 cm.
2. Let’s find what part each side of the perimeter is, dividing its side by the perimeter:
1 side = 36/72 = 3/6 = 1/2 part.
2 side = 12/72 = 1/6 part.
Answer: The large side of the parallelogram is 1/2 of the perimeter, and the smaller side is 1/6 of the perimeter.