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Example 8 What is the circumference of a circular disc of radius 14 cm?Radius = r = 14 cm Circumference = 2𝜋r = 2 × 𝟐𝟐/𝟕 × 14 = 2 × 22/1 × 2 = 44 × 2 = 88 cm ∴ Circumference of given disc is 88 cm

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