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Viktor [21]
2 years ago
13

PLEASE HELP ME ILL MARK AS BRAIN LIEST!!!!!

Mathematics
1 answer:
elena55 [62]2 years ago
5 0

Answer:

C 377

Step-by-step explanation:

I simply typed in "surface area of cone calculator" in chrome and did it that way, since there is quite a complex formula for finding it out on your own.

(This is the formula : pi * r^2 + pi * r * sqrt (r^2+h^2)

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