Find the Lateral surface area of the frustum, if the slant height is 1 – McqOptions

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1.	Find the Lateral surface area of the frustum, if the slant height is 15cm and having radii as 14 cm and 21 cm.
A.	1648.5 cm<sup>2</sup>
B.	1115 cm<sup>2</sup>
C.	2105.4 cm<sup>2</sup>
D.	1237.2 cm<sup>2</sup>
Answer» B. 1115 cm<sup>2</sup>

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