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
Examples
Example 1
Important
Example 2
Example 3
Example 4 Important
Example 5 Important
Example 6
Example 7
Example 8 Important
Example 9 (i)
Example 9 (ii)
Example 10
Example 11 Important
Example 12
Example 13
Example 14 Important
Example 15 Important
Example 16 Important
Example 17 You are here
Example 18
Example 19 Important
Example 20
Example 21
Example 22
About the Author
Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.