geometric problem-math

in triangle ABC,side AB IS 2cm. shorter than side AC, while side BC is 1cm. if the perimeter is 62 find the lenght of three sides? i need the answer tomorrow pls... help me

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1. P=sum three sides
P=BC+Ab+Ac
62=AC+AC-2+1 solve for AC first, then AC-2 (which is AB) Are you certain about BC?

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