capacity of cylinder

Class 9 | Chapter 13 | Surface areas and Volumes | Example 13

Example 13: The pillars of a temple are cylindrically shaped (see Fig. 13.26). If each pillar has a circular base of radius 20 cm and height 10 m, how much concrete mixture would be required to build 14 such pillars?…

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Class 9 | Chapter 13 | Surface areas and Volumes | Exercise 13.6 | Question 7

Question 7: A lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled in the interior. The diameter of the pencil is 7 mm and the diameter of the graphite is 1 mm. If the…

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