Answer to the second question on page 34 of mathematics exercise book (Volume 2, grade 6, Jiangsu Education Press)

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