√39+√27+12=?

its a perimeter of a right triangular
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1 Answer

??? triangel rim-leng=sqrt(39) +sqrt(27) +12....me understand 12

sqrt(39)=6.244997998398398

sqrt(27)=5.196152422706632

sum em 2=11.44115042110503

sum 3...23.44115042110503
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