railway RRB Technician Grade 1 Mock Test 2024 Quantitative Aptitude Mensuration Solid Figures

If the slant height of a cone is 60 cm and the radius of its base is 21 cm, then find its curved surface area. (use π = \({22 \ {} \over 7}\))

1
3880 cm2
2
3820 cm2
3
3960 cm2
4
4020 cm2
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