An iron pipe 20 cm long has exterior diameter 25 cm. If the thickness of the pipe is 1 cm, then the whole surface area of the pipe?
5 642 5f59d091b772fe2f8b223a57
Q:
An iron pipe 20 cm long has exterior diameter 25 cm. If the thickness of the pipe is 1 cm, then the whole surface area of the pipe?
- 1$$ {3168\ cm^{2}}$$true
- 2$$ {3186\ cm^{2}}$$false
- 3$$ {3200\ cm^{2}}$$false
- 4$$ {3150\ cm^{2}}$$false
- Show Answer
- Workspace
- Discuss