Mathematics · Mensuration
A hollow cylindrical pipe has an outer radius of 7 cm and an inner radius of 5 cm. If the pipe is 42 cm long and made of metal with a density of 5 g/cm3, what is the mass of the pipe? (Use π = 227 and Density = Mass/Volume)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 115.72 kg
- 215.84 kg✓
- 315.56 kg
- 415.98 kg
Correct answer
15.84 kg
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