Example 9 Write the contrapositive of the following statement: (i) If a number is divisible by 9, then it is divisible by 3. If a number is not divisible by 3, it is not divisible by 9 (ii) If you are born in India, then you are a citizen of India. If you are not a citizen of India, then you were not born in India. (iii) If a triangle is equilateral, it is isosceles. If a triangle is not isosceles, then it is not equilateral.

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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 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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