Ex 5.1, 3 Identify which of the following pairs of angles are complementary and which are supplementary. (i) 65°, 115°Complementary angles have sum 90° Supplementary angles have sum 180° 65°, 115° Sum of angles = 65° + 115° = 180° Since sum is 180° They are supplementary angles.

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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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