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BartSMP [9]
3 years ago
5

The volume of a pyramid is given by the formula 

Mathematics
1 answer:
levacccp [35]3 years ago
4 0
First I would start plugging the values into the volume equation for a pyramid. 
84 =\frac{B (9)}{3}
then I would multiply both sides of the equation by 3 to get rid of the dividing 
B(9) = 252
then I divide both dies by 9 to solve for B
\frac{B(9)}{9} =  \frac{252}{9}  \\ 
B = 28
Then I would just find combination s of numbers that when multiplied equal 28, I would just find all of the pairs then rule out the ones that dont have a difference of 3, the one(s) left should be your base dimensions. 

I did this and got 4 and 7
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