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What is the total surface area of a cone whose radius is 5cm and height is 9cm?
Wiki User
∙ 10y ago
Total surface area: (pi*52)+(pi*5*slant length) = 240.263 square cm to 3 decimal places
Note that by using Pythagoras' theorem the slant length works out as the square root of 106
Wiki User
∙ 10y ago
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