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      Question

      A cone has a base radius of 7 cm and a slant height of

      25 cm. Find the total surface area of the cone.
      A 550 cm² Correct Answer Incorrect Answer
      B 572 cm² Correct Answer Incorrect Answer
      C 600 cm² Correct Answer Incorrect Answer
      D 704 cm² Correct Answer Incorrect Answer

      Solution

      Total surface area of a cone = π * r * (r + l), where r = radius and l = slant height. Given r = 7 cm and l = 25 cm. Total surface area = π * 7 * (7 + 25) = 22 * 32 = 704 cm². = 704 cm². Answer: d) 704 cm².

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