Answers

2015-06-17T20:29:42+05:30
1)s=a+b+c/2=58/2=29cm
2)Rene Descartes

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2015-06-18T05:52:11+05:30
S=(a+b+c)/2 =(25+13+20)/2 =58/2 =29 S-b=29-13 =16
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