railway RPF Constable Mock Test Series 2024 Quantitative Aptitude Mensuration Solid Figures

What is the total surface area (in cm2) of a right circular cone of radius 10.5 cm and slant height 13 cm? Take π = \(\frac{22}{7}\) 

1
577.5
2
757.5
3
775.5
4
787.5
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