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>


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