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Brrunno [24]
3 years ago
11

Find the surface area of the solid shown or described. If necessary, round to the nearest tenth. 348m^2 484m^2 180.7m^2 262m^2

Mathematics
1 answer:
Inessa05 [86]3 years ago
3 0

Answer: 520.5 m²

This answer is not an answer choice provided, but I hope this still helps.

Step-by-step explanation:

The formula to find the surface area of a cone is A=\pi r(r+\sqrt{h^2+r^2} ). Looking at the formula, we can see there are radius and height. The figure provided gives the radius is 7.1 m and height of 14.6 m. Since we have these values, we can just plug them into the formula.

A=\pi (7.1)(7.1+\sqrt{14.6^2+7.1^2} )

Now that we have filled out the formula, we can plug this into a calculator to get the surface area. It is possible to do this by hand, but it is hard to be accurate.

A=520.5m^2

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