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Please help:( enakskkwksm​
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Please help:( enakskkwksm​

Please help:( enakskkwksm​-example-1
User TRG
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the perimeter means you add up all the sides
so you do

(12b-8) + (12b-8) + (9b+8)
now you just add the like terms

12b+12b+9b = 33b
-8+-8+8= -8
so the perimeter is 33b-8
User Sotsir
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