Ex 9.2
Last updated at Dec. 16, 2024 by Teachoo
Ex 9.2, 1 Find the circumference of the circles with the following radius: (𝑇𝑎𝑘𝑒 𝜋=22/7) (b) 28 mmRadius = r = 28 mm Circumference = 2𝜋r = 2 × 𝟐𝟐/𝟕 × 28 = 2 × 22 × 4 = 44 × 4 = 176 mm ∴ Circumference of circle is 176 mm