Example 7 - Chapter 9 Class 7 Perimeter and Area

Last updated at Dec. 16, 2024 by

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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 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 and Computer Science at Teachoo