📘 mensuration

1. **Problem statement:** Find the thickness of the wall of a box with outer dimensions 9 cm, 7 cm, and 5 cm, given that the inner surface area is 142 cm² and the volume of a cylin

1. **Problem (a):** Find the total surface area of a right circular cone with base diameter 20 cm and height 24 cm. - Formula for total surface area of a cone: $$\text{Total Surfac

1. The problem is to find mensuration questions excluding spheres and hemispheres. 2. Mensuration involves calculating areas, volumes, and surface areas of 2D and 3D shapes such as

1. The problem is to understand and solve typical mensuration questions, which involve calculating areas, volumes, and surface areas of geometric shapes. 2. For example, if we want