Question

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? The lengths of side RQ and side R’Q’ are in the ratio 1:3. The length of diagonal RT is equal to the length of diagonal R’T’. The measures of angle S and angle S’ are in the ratio 1:3. The length of side PQ is equal to the length of side P’Q’.

Answer 1

A)

The lengths of side RQ and side R'Q' are in the ratio 1:3.