Question 1128541
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Then the area of the base is  {{{V/((h/3))}}} = {{{56/((6/3))}}} = {{{56/2}}} = 28 square centimeters 
and one side of the base is 3 centimeters shorter than the other.



With this data, it takes 5 seconds to get the solution MENTALLY.



The answer is: the dimensions of the base are 4 and 7 centimeters.
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Answered and solved.


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This assignment is certainly to develop your skills in solving problems MENTALLY.