Mathematics · Mensuration
The outer diameter, height, and thickness of a hollow cylindrical pipe are 32 cm, 14 cm, and 0.5 cm, respectively. Find the ratio of its total surface area to its lateral surface area.
- 133 : 28
- 229 : 28✓
- 328 : 25
- 429 : 27
Correct answer
29 : 28
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