Question
PSLE
In the diagram, the letters P, U, S and H are drawn on a square grid. List all the letters that have perpendicular lines. Give your answer(s) in alphabetical order. (Eg A, B)
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PSLE
In the diagram, the letters P, U, S and H are drawn on a square grid. List all the letters that have perpendicular lines. Give your answer(s) in alphabetical order. (Eg A, B)