jamesochiel6 jamesochiel6

24-04-2024
Mathematics

Answered

11. A lampshade is in the shape of a frustum of a cone such that its slanting height is 30 cm while the top and bottom radii of the lampshade are 10 cm and 17.5 cm respectively. Calculate the surface area of the material used to make the lampshade. (4 marks)

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