CAYLEY 2022 Problem 12

An equilateral triangle is made of cardboard and lies on a table. Paola stands in front of the table and sees the triangle in the position shown. She flips the triangle over, keeping edge Q R on the table throughout the flip. From this position, Paola then flips the triangle again, this time keeping edge P R on the table throughout the flip. What is the resulting position of the triangle that Paola sees?

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Answer Choices
A. caley 2022 12a
B. caley 2022 12b
C. caley 2022 12c
D.caley 2022 12d
E.caley 2022 12e