urfavoriteuncle urfavoriteuncle

16-03-2021
Mathematics

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

What is the surface area of this right circular cone plsss help lol 20 points class=

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cwrw238 cwrw238

16-03-2021

Answer:

B.

Step-by-step 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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