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

The length of diagonal PS and diagonal P’S’ are in the ratio 1:3.

The lengths of side PT and side R’Q’ are in the ratio 1:3.

The length of side PT is equal to the length of side P’T’.

The measures of angle S and angle S’ are in the ratio 1:3.

Question

Polygon PQRST shown below is dilated with a scale factor of 3, keeping vertex P as the center of dilation. 
Which statement about Polygon PQRST and its image after dilation, Polygon P’Q’R’S’T’ is correct?

 The length of diagonal PS and diagonal P’S’ are in the ratio 1:3.

 The lengths of side PT and side R’Q’ are in the ratio 1:3.

 The length of side PT is equal to the length of side P’T’.

 The measures of angle S and angle S’ are in the ratio 1:3.

goformit100 · Answer

The lengths of side PT and side R’Q’ are in the ratio 1:3.