Question

curved surface area of a cone r= 8cm,Length=10cm
$\pi = \frac{22}{7}$

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Answer 1

Answer:

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Explanation:

let radius of the cone, r= 8cm

and length of the cone ,l= 10cm

CSA of cone = πrl

= 22/7×8×10cm²

= 22/7×80 cm²

=1760÷7cm²

= 251.42cm²

so , the CSA of cone is 251.42cm².