# Points P, Q, R, S, T, and U are all different points lying in the same plane. Points P, Q, andU lie on the same line. The line through points P and Q is perpendicular to the line through points R and S. The line through points R and S is perpendicular to the line through points T and U. Which of the following sets contains points that must lie on the same line?

Points P, Q, R, S, T, and U are all different points lying in the same plane. Points P, Q, andU lie on the same line. The line through points P and Q is perpendicular to the line through points R and S. The line through points R and S is perpendicular to the line through points T and U. Which of the following sets contains points that must lie on the same line?
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gutsy8v
d) {Q, T, U}
P, Q and U lie on same line as mentioned
RS perpendicular to TU
RS also perpendicular to PQ
Hence PQ and TU are same as P,Q and U lie on same line