SOLUTION: a cylindrical gasoline can is 18 inches across and 20 inches tall. Whatexpression represents the approximate volume in cubic inches?

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Question 359811: a cylindrical gasoline can is 18 inches across and 20 inches tall. Whatexpression represents the approximate volume in cubic inches?

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Since the diameter is 18 inches, the radius is inches. So


Start with the volume of a cylinder formula.


Plug in (the radius) and (the height).


Replace with (note: Use more digits of to get better accuracy).


Square to get .


Multiply , and to get (this value is approximate).


Round to the nearest thousandth.


So the approximate volume is about 5089.38 cubic inches.


If you need more help, email me at jim_thompson5910@hotmail.com

Also, feel free to check out my tutoring website

Jim

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