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Which is the total surface area of this cone?

A. 219.80 square centimeters
B. 219.98 square centimeters
C. 220.18 square centimeters
D. 220.78 square centimeters

Which is the total surface area of this cone A 21980 square centimeters B 21998 square centimeters C 22018 square centimeters D 22078 square centimeters class=

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sqdancefan

Answer:

  A.  219.80 square centimeters

Step-by-step explanation:

The total surface area is given by ...

  A = πr(r+s)

where r is the radius and s is the slant height. Filling in the given numbers, you get ...

  A = 3.14·(5 cm)·(5 cm +9 cm) = 219.80 cm²

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