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How to answer this question ?


How to answer this question ? ​-example-1
User Michael D Johnson
by
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1 Answer

22 votes
22 votes

The sides

12-3a

12-3a

4(2a-5)=8a-40

so for perimeter we + them

(12-3a)+(12-3a)+(8a-40)

=

2a-16

User Blacksun
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