over900ray over900ray

30-04-2017
Mathematics

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The cone shown has a radius of 5 inches and a slant height of 8 inches. Rounded to the nearest whole number, what is the total surface area? Use 3.14 to approximate pi.

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mickey0815mgr mickey0815mgr

30-04-2017

The formula for surface area of a cone is [tex] \pi r^{2} + \pi rl[/tex] so first we plug in our numbers. 3.14*(5*5)+ 3.14*5*8
78.539+ 125.663= 204.2

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