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Example 17 - Chapter 11 Class 7 Perimeter and Area
Last updated at Dec. 12, 2018 by Teachoo
Transcript
Example 17 Find the area of a circle of radius 30 cm (use π = 3.14). Radius = r = 30 cm Area of circle = 𝜋 r2 = 3.14 × (30)2 = 314/100 × 900 = 314/1 × 9 = 2,826 cm2 ∴ Required area is 2,826 cm2
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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.