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A cylindrical cup is 8 centimeters in height. When filled to the very top, it holds 392饾潊 cubic centimeters of water.  What is the radius of the cup, rounded to the nearest hundredth

 May 11, 2022
 #1
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The formula for the volume of a cylinder is:  Volume  =  pi 路 radius2 路 height

 

Entering the known values:                            392路pi  =  pi 路 radius2 路 height

Dividing both sides by pi:                                    392  =  radius2 路 8

Dividing both sides by 8:                                       49  =  radius2 

Taking the square root of both sides:                      7  =  radius

 May 11, 2022
 #2
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Thank you Geno

Guest May 11, 2022

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