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1. |
Find the total surface area of a frustum whose slant height is 10 cm and having radii as 10 cm and 20 cm. |
A. | 1923.21 m<sup>3</sup> |
B. | 2512 cm<sup>2</sup> |
C. | 2184.21 m<sup>3</sup> |
D. | 2842.21 m<sup>3</sup> |
Answer» C. 2184.21 m<sup>3</sup> | |