- Circumference = 4 cm
- Let the radius be r.
- Therefore, 2πr = 4 cm
- Given, height = 9 cm.
- Therefore, curved surface area of the cylinder = 2πrh
- = (4 × 9) cm^2
- = 36 cm^2
Answer:
Answer:36 cm^2
Hope you could understand.
If you have any query, feel free to ask.