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  1. Chapter 11 Class 7 Perimeter and Area
  2. Serial order wise

Transcript

Example 12 What is the circumference of a circle of diameter 10 cm (Take ฯ€ = 3.14)? Diameter = 10 cm Radius = r = ๐ท๐‘–๐‘Ž๐‘š๐‘’๐‘ก๐‘’๐‘Ÿ/2 = 10/2 = 5 cm Circumference = 2๐œ‹r = 2 ร— 3.14 ร— 5 = 3.14 ร— 2 ร— 5 = 314/100 ร— 10 = 314/10 = 31.4 cm โˆด Circumference of circle is 31.4 cm

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.