Question

Figure RST is reflected over the y-axis to obtain figure R′S′T′ below:

A coordinate plane is shown.

Which statement best describes the relationship between the two figures?

Figure RST is bigger than figure R′S′T′.
Figure RST is similar to 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 angl