BBC11 个月
Module 3 (M3) - Geometry and measures - Surface area and volume of cylinders, cones and spheres
A cylinder has 2 flat circular faces and a curved surface. Imagine a tin with a label around the curved surface. Taking the label off the tin and flattening it out gives a rectangle. The length of ...
BBC7 年
Composite volumes and surface areas
Total volume of the salt shaker = \(\text{volume of cylinder} + \text{volume of hemisphere}\) Volume of cylinder = \( \pi r^2 h = \pi \times 1.5^2 \times 5\) A hemisphere is half a sphere.