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The slant height of a cone of radius 6 cm and height 8 cm is
A14 cm
B10 cm
C12 cm
D7 cm
Answer & Solution
Correct answer: B. 10 cm
1. Slant height l satisfies l squared = r squared + h squared.
2. l squared = 36 + 64 = 100.
3. l = 10 cm.
_Source: NCERT Class 10 Mathematics, Ch 12 "Surface Areas and Volumes", §12.2_
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