Answer to the second question on page 34 of mathematics exercise book (Volume 2, grade 6, Jiangsu Education Press)
Rectangle length: 3:2 width: 3:2 perimeter: 3:2
Parallelogram long side length: 2:1 short side length: 2:1 perimeter: 2:1
Circle radius: 3:2 perimeter: 3:2
It is found that the figure is enlarged by N: 1, and the ratio of the enlarged figure to the original figure is n: 1