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Find the total surface area of the cone in the figure. ( use rr=3.14.)

Find the total surface area of the cone in the figure. ( use rr=3.14.)-example-1

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4 votes

Answer:

Answer D

Explanation:

The formula is
A = pi r(r+√(h^2+r^2)). We have our r (radius) and h (height), so plugging it all in would give us A = (3.14)(5 + sqrt(12^2)+(5^2). After computing this, you would get answer D, 282.6.

User Nick Clarke
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