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Class 9 Mathematics Medium Mcq English Medium

Using pi=3.14159, what is the approximate curved surface area of a cylinder with radius 7 cm and height 10 cm?

Question
Using pi=3.14159, what is the approximate curved surface area of a cylinder with radius 7 cm and height 10 cm?
153.94 cm^2
439.82 cm^2
43.98 cm^2
1539.38 cm^3
Answer
439.82 cm^2
Detailed Explanation
Curved surface area of a cylinder is 2 pi r h. — Examisthan.com
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