Figure STOP is reflected about the y-axis to obtain figure STO'P. Which statement best describes the relationship between two fi
gures? A. The measure of angle S is equal to the measure of angle P'. B. the measure of angle P is equal to the measure of angle T'. C. Figure STOP is congruent to figure S'T'O'P'. D. Figure STOP is bigger than figure S'T'O'P'