A person starts from point P and moves 12 m to point Q in east direction. Then, he takes right turn and moves 8 m to point R. Again he takes right turn for 6 m to point S. Then , he moves 6 m in the North to point T. Finally from there he takes left direction for 6 m to point U. Which of three point he would form a triangle whose all the angle are less than `90^(@)` ?

Options

A. PTQ
B. QTR
C. UTS
D. TSR

Answer

B

Explanation

Therefore, three points Q,T and R would form a triangle whose all the angles are less than `90^(@)`