Check sibling questions

If angle between two lines is 90° (right angle)

  Then they are perpendicular

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So, XY is perpendicular to AB

∴ XY ⊥ AB

 

 

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.