Example 7 - Chapter 9 Class 7 Perimeter and Area

Last updated at August 14, 2026 by

Example 7 - What is the circumference of a circle of diameter 10 cm - Examples

part 2 - Example 7 - Examples - Serial order wise - Chapter 9 Class 7 Perimeter and Area

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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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