Which pair of rectangles is similar?

Question 1 options:

Diagram contains two rectangles. The first has a length of 3 and a width of 8. The second has a length of 2 and a width of 5.

Diagram contains two rectangles. The first has a length of 3 and a width of 8. The second has a length of 2 and a width of 6.

Diagram contains two rectangles. The first has a length of 3 and a width of 9. The second has a length of 2 and a width of 6.

Diagram contains two rectangles. The first has a length of 3 and a width of 6. The second has a length of 2 and a width of 9.

The pair of rectangles that is similar is:

Diagram contains two rectangles. The first has a length of 3 and a width of 8. The second has a length of 2 and a width of 6.