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Question
Two lines l and m are perpendicular to the same line n. Are l and m perpendicular to each other? Give reason for your answer.
Give Reasons
Sum
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Solution
No.
Given that the lines l and m are perpendicular to the line n.
∴ ∠1 = ∠2 = 90°
This shows that the corresponding angles are equal.
Thus, l || m.
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