ເຄື່ອງຄິດໄລ່ທໍ່ |
| r1 = | |
| r2 = | |
| h = | |
| Units: | |
| C1 = | 0 |
| C2 = | 0 |
| t = | 0 |
| L1 = | 0 |
| L2 = | 0 |
| A = | 0 |
| V1 = | 0 |
| V2 = | 0 |
| V = | 0 |
r1 = outer radius, r2 = inner radius, C1 = outer circumference, C2 = inner circumference
L1 = outer surface area, L2 = inner surface area, V1 = volume within C1, V2 = volume within
C2, h = height, t = wall thickness, V = volume of solid, A = end surface area