mathemafia

Class 9 | Chapter 13 | Surface areas and Volumes | Example 12

Example 12: A child playing with building blocks, which are of the shape of cubes, has built a structure as shown in Fig. 13.25. If the edge of each cube is 3 cm, find the volume of the structure built…

Read More

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?…

Read More