Which combination of figures are similar and why?

(1 point)
Responses

Figure 1 and Figure 3; one figure is larger than the other.
Figure 1 and Figure 3; one figure is larger than the other.

Figure 1, Figure 2, and Figure 3; all figures are rectangles.
Figure 1, Figure 2, and Figure 3; all figures are rectangles.

Figure 2 and Figure 3; the figures are both vertical.
Figure 2 and Figure 3; the figures are both vertical.

Figure 1 and Figure 2; the side lengths are proportional and corresponding angles are equal.

The correct answer is: Figure 1 and Figure 2; the side lengths are proportional and corresponding angles are equal.