Question

Polygon P'Q'R'S'T' shown on the grid below is an image of polygon PQRST after dilation with a scale factor of 3, keeping the origin as the center of dilation: http://prnt.sc/d5zw7c

Which statement about corresponding sides and angles of the two polygons is correct?
The measures of angle Q and angle Q' are in the ratio 1:3.
The length of side TS is equal to the length of side T'S'.
The length of diagonal RT is equal to the length of diagonal R'T'.
The lengths of side SR and side S'R' are in the ratio 1:3.