Q7 of 79 Page 245

If the diameter and height of a right circular cone are 12 cm and 8 cm respectively, then the slant height is

Diameter = 12 cm.


⇒ Radius (R) = 6 cm.


Height (H) = 8 cm


Slant height (l) = √(R2 + H2) = √(62 + 82)


⇒ Slant height (l) = √100 = 10 cm


Out of all the four Options,


Correct Option : A

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