A photograph has a width of 8 inches and a length of 12 inches. Which of the following rectangular frames is similar to the photograph?

A frame with sides 10 inches and 15 inches.

A frame with sides 9 inches and 13 inches.

A frame with sides 12 inches and 16 inches.

A square frame with sides of 12 inches.

For two polygons to be considered similar, which of the following statements must be true?

Their corresponding sides are equal, and their corresponding angles are equal.

Their corresponding sides are proportional, and their corresponding angles are equal.

Their corresponding sides are proportional, and their corresponding angles are proportional.