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


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Example 7 What is the circumference of a circle of diameter 10 cm (Take π = 3.14)?Diameter = 10 cm Radius = r = 𝐷𝑖𝑎𝑚𝑒𝑡𝑒𝑟/2 = 10/2 = 5 cm Circumference = 2𝜋r = 2 × 3.14 × 5 = 3.14 × 2 × 5 = 314/100 × 10 = 314/10 = 31.4 cm ∴ Circumference of circle is 31.4 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.