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

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Ex 9.2, 1 Find the circumference of the circles with the following radius: (𝑇𝑎𝑘𝑒 𝜋=22/7) (a) 14 cmRadius = r = 14 cm Circumference = 2𝜋r = 2 × 𝟐𝟐/𝟕 × 14 = 2 × 22/1 × 2 = 44 × 2 = 88 cm ∴ Circumference of circle is 88 cm

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