Example 12 - Chapter 9 Class 7 Perimeter and Area

Last updated at Dec. 16, 2024 by

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Example 12 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 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