Question

Points P, Q, R, S, T, and U are all differentpoints lying in the same plane. Points P, Q, andU lie on the same line. The line through points Pand Q is perpendicular to the line through pointsR and S. The line through points R andS is perpendicular to the line through points Tand U. Which of the following sets contains points thatmust lie on the same line?

a) {P, Q, R} b) {Q, R,S} c) {Q, R, T} d){Q, T, U} e) {R, T, U}

Please Explain