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A hollow cylindrical pipe has an external radius of 7 cm, internal radius of 6 cm, and height of 20 cm. Find the total surface area of the pipe (both ends included).
1600 cm²
1716 cm²
1485 cm²
1670 cm²
1716 cm²
Practice and solve "A hollow cylindrical pipe has an external radius of 7 cm, internal radius of 6 cm, and height of 20 ..." for Mathematics - Previous Year Paper 2025. The correct answer is Option B: 1716 cm². Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "A hollow cylindrical pipe has an external radius of 7 cm, internal radius of 6 cm, and height of 20 ..." for Mathematics - Previous Year Paper 2025. The correct answer is Option B: 1716 cm². Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.