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The total surface area of a solid cone of radius $7 \text{ cm}$ and slant height $25 \text{ cm}$, is
- (a)$724 \text{ cm}^2$
- (b)$704 \text{ cm}^2$
- (c)$550 \text{ cm}^2$
- (d)$616 \text{ cm}^2$
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Answer (B) $704 \text{ cm}^2$