The symbol ‘⊥’ is used to represent perpendicular lines.
(1) The given statement can be represented as:
seg MR ⊥ ray ST
(2) The given statement can be represented as:
line LM ⊥ seg PQ
(3) The given statement can be represented as:
line HP ⊥ ray OK
(4) The given statement can be represented as:
seg KG ⊥ seg VJ
(5) The given statement can be represented as:
line AD ⊥ line EF