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KhajiitOfTheWild
Number 3:

Multiply 12x3. There are 3 sides and each side is twelve inches. After you multiply it, simplify.
ldsimms12
3. the answer would be since the perimeter is 12 you know the sides are 4 in because 12 / 3 = 4 so 4 x 4 / 2 = 8 so the answer to number 3 is 8.  
 
 
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