Answered

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You are constructing a concrete landing pad for a helicopter. You have 2916 cubic feet of concrete. if you want to use the concrete to build a circular landing pad with the same thickness as the square landing pad, what would the diameter of that landing pad be?

You Are Constructing A Concrete Landing Pad For A Helicopter You Have 2916 Cubic Feet Of Concrete If You Want To Use The Concrete To Build A Circular Landing Pa class=

Sagot :

Explanation

Volume 2916 cubit feet

Landing pad square 54 feet each side

Part A

[tex]\begin{gathered} V=54*54*h \\ 2916=54*54*h \\ h=\frac{2916}{54*54} \\ h=1\text{ feet } \end{gathered}[/tex]

Part B

[tex]\begin{gathered} V=\pi r^2h \\ r=\sqrt{\frac{V}{\pi h}} \\ r=\sqrt{\frac{2916}{3.14*1}} \\ r=30.47\text{ feet} \end{gathered}[/tex]

The diameter would be 60.94 feet

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