Rectangle RSTU is reflected across the y-axis to form rectangle R′S′T′U′. Which statement is NOT true?
A The corresponding angles of rectangle RSTU and rectangle R′S′T′U′ are
congruent.
B The perimeter of rectangle RSTU is greater than the perimeter of rectangle
R′S′T′U′.
C The corresponding sides of rectangle RSTU and rectangle R′S′T′U′ are
congruent.
D Rectangle RSTU is similar to rectangle R′S′T′U′.