MCQEasy1 mark
1
Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)
The radius of a roller 100 cm long is 14 cm. The curved surface area of the roller is (Take π = 22/7):
Topic: Mensuration of solids
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(d) 8,800 cm²
Explanation
Curved surface area = 2πrh = 2×22/7×14×100 = 8,800 cm².
In words
8,800 cm²
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