- A3.52 sq m
- B1.76 sq m
- C35.2 sq m
- D7.04 sq m
Step-by-Step Solution
cm = 0.02 m. CSA sq m. Forgetting to halve the diameter gives 7.04.
Answer: A) 3.52 sq m
An iron pipe 28 m long has an outer diameter of 4 cm. Find the area of its outer curved surface in square metres. (Take π = )
Class 8Surface Area of a CylinderMensuration
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