Formula deep page
Cylinder CSA
CSA = 2πrh
This formula belongs to the chapter "Mensuration" in Class 8 Mathematics. Use it after identifying the right variables, matching the chapter context, and writing the substitution clearly.
How to use it
- Identify the quantity you need to find.
- Check the related variables and units from the question.
- Substitute values carefully into the formula.
- Simplify step by step and write the final statement.
Worked cue
r=7, h=10: CSA=2×22/7×7×10=440 cm²