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

Last updated at August 14, 2026 by

Ex 9.2, 1 Class 7 - Find circumference of circle with radius 21 mm - Ex 9.2

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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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