What is the surface area of this right circular cone? (plsss help lol 20 points)

Rajesh N asked Mar 3, 2022

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26 votes

Rajesh N asked Mar 3, 2022

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14 votes

Answer:

Explanation:

Surface area = πr(r + L) where r = radius of the base and L = the slant height.

= 12π(12 + 40)

= 12*52π

= 624π.

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