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One of the west Delaware water supply turtles is 105 mile long cylinder with a diameter of 13.5 feet to the nearest million cubic feet how much earth was removed when the tunnels built

Sagot :

Answer:

Step-by-step explanation:

area of the circle x length = amount of volume

area of circle = [tex]\pi[/tex][tex]r^{2}[/tex]

[tex]\pi[/tex]*[tex]6.75^{2}[/tex]= 143.1388153

1 mile = 5280 feet

105*5280 = 554400

143.1388153* 554400= 79,356,159.2 [tex]ft^{3}[/tex]

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