3 years ago

Which is the total surface area of this cone?

Mathematics

1 answer:

disa [49]3 years ago

3 0

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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