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Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class


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Ex 9.2, 1 Find the circumference of the circles with the following radius: (𝑇𝑎𝑘𝑒 𝜋=22/7) (a) 14 cmRadius = r = 14 cm Circumference = 2𝜋r = 2 × 𝟐𝟐/𝟕 × 14 = 2 × 22/1 × 2 = 44 × 2 = 88 cm ∴ Circumference of circle 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 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.