The slant height of a cone is 12cm and radius of the base is 4cm find the curved surface area?
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l=12cm
r=4cm
CSA=2πrl
=2×22/7×12×4
now we can solve the problem
r=4cm
CSA=2πrl
=2×22/7×12×4
now we can solve the problem
aakajave:
Dude check the formula.
what
CSA = pi r l and not 2pi r l
Answered by
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CAN of a cone = pi ×r×l
Here r =4cm
And l=12cm
Therefore,
CSA =22/7×4×12
=150.79 Sq. cm
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