Ex 11.1, 6 Find the centre and radius of the circle (x + 5)2 + (y 3)2 = 36 Given (x + 5)2 + (y 3)2 = 36 (x ( 5))2 + (y 3)2 = 36 We know that Circle of equation is given by (x h)2 + (y k)2 = r2 Comparing (1) & (2) h = 5, k = 3, r2 = 36 Thus, centre of circle = (h, k) = ( 5, 3) & Radius = r = 6

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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.

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