Ex 9.2, 1 (c) - Chapter 9 Class 7 Perimeter and Area

Last updated at Dec. 16, 2024 by

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Ex 9.2, 1 Find the circumference of the circles with the following radius: (𝑇𝑎𝑘𝑒 𝜋=22/7) (c) 21 cmRadius = r = 21 cm Circumference = 2𝜋r = 2 × 𝟐𝟐/𝟕 × 21 = 2 × 22 × 3 = 44 × 3 = 132 cm ∴ Circumference of circle is 132 cm

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Davneet Singh

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