railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Mensuration Solid Figures

The height of the frustum of a cone is 8 cm. The radius on the top of the frustum is 6 cm and the bottom of the frustum is 12 cm. What is the curved surface area of the frustum?

1

240π cm²

2

180π cm²

3

360π cm²

4

36π cm²

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