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Ex 10.5, 1 - In figure, A, B and C are three points on - Ex 10.5

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Ex 10.5, 1 In the given figure, A, B and C are three points on a circle with centre O such that BOC = 30 and AOB = 60 . If D is a point on the circle other than the arc ABC, find ADC. AOC = AOB + BOC = 60 + 30 = 90 Arc ABC subtends AOC at centre of circle. And ADC on point D AOC = 2 ADC 90 = 2 ADC 2 ADC = 90 ADC = 1/2 90 ADC = 45

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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.