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What is the volume of a cone whose total surface area is 230.937 square cm with a radius of 5.25 cm taking pi as 3.142 and showing work?
Wiki User
∙ 10y ago
Surface area = (3.142*5.252)+(3.142*5.25*slant length) = 230.937 cm2
Slant length = (230.937-3.142*5.252)/(3.142*5.25) = 8.75 cm
Height of cone using Pythagoras = 7 cm
Volume = 1/3*3.142*5.252*7 = 202.069875 cm3
Wiki User
∙ 10y ago
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