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://tinypic.com/r/29vzacx/6

Which statement about corresponding sides and angles of the two polygons is correct?

a)The measures of angle Q and angle Q’ are in the ratio 1:3.

b)The length of side TS is equal to the length of side T’S’.

c)The length of diagonal RT is equal to the length of diagonal R’T’.

d)The lengths of