Question
Which pair of lines are perpendicular? Give your answer in number. (Eg 1) 

(1) ML and LK
(2) KJ and JM
(3) JK and NM
1 m

Click button first when a symbol is required. X

Which pair of lines are perpendicular? Give your answer in number. (Eg 1) 

(1) ML and LK
(2) KJ and JM
(3) JK and NM