2 years ago

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

1 answer:

3 0

Answer:

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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