Katrina B.

asked • 05/06/16

Three golf balls are packaged into a rectangular box. If each ball has a radius of 2.1cm, how much material is required to build the box?

Please tell me how to solve 

1 Expert Answer

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Mark M. answered • 05/06/16

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Assuming a tight fit:
The diameter of each ball is 4.2 cm. The bottom and top of the box are squares (4.2 x 4.2) of 17.64 cm2
The height of the box is 3(4.2) cm, or 12.6 cm
 
You now have the dimensions, length, width, and height. Calculate the surface area.
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