Question

HELP!!!
Figure RST is reflected about the x-axis and then translated down 1 unit to obtain figure R’S’T’:
Which statement best describes the relationship between the two figures?

Figure RST is congruent to figure R' S'T.
Figure RST is bigger than figure R'S'T.
The measure of angle R is equal to the measure of angle S.
The measure of angle R is equal to the measure of angle T.