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26 votes
26 votes
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)-example-1
User Rajesh N
by
2.9k points

1 Answer

14 votes
14 votes

Answer:

B.

Explanation:

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

= 12π(12 + 40)

= 12*52π

= 624π.

User Timothy Groote
by
3.2k points