Quick answer
A cylinder is a solid with two parallel circular bases joined by a curved surface.
- Main formula
- Volume = πr²h and lateral area = 2πrh.
- Quick example
- Write the known measurements first, substitute them in the formula and keep the units.
Definition
A cylinder is a solid with two parallel circular bases joined by a curved surface.
Main properties
- Its main measurements are radius and height.
- Measurements must use the same unit before calculating.
- Draw a quick sketch to identify each value.
Formula
Volume = πr²h and lateral area = 2πrh.
Example method
Read the problem, mark the known measurements, choose the formula and simplify the result step by step.