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20 votes
Please help me out with this

Please help me out with this-example-1
User Lorilynn
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1 Answer

5 votes
The perimeter is 30.5...
One way to do it is by realizing that one side is 12 as the others are so you know one side of this one is 6 so 6x3=18+12.5=30.5
User Eric Mathison
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