Polygon PQRST shown below is dilated with a scale factor of 3, keeping the origin as the center of dilation: Which statement about polygon PQRST and its image after dilation, polygon P'Q'R'S T is correct?

1) the length of diagonal RT is equal to the length of diagonal R’T’
2) The links of side RQ and side R’Q’ are in the ratio of 1:3
3) The measures of angle S and then angle S’ are in the ratio 1:3
4:) The length of side PQ is equal to the length of side P’Q’