1. аналогично Р1+Р2=Р+2*hc, hc= (18+36-40)/2= 7
4. ha=(P1+P2-P)/2=(16+22-20)/2=9
2. lb=(P1+P2-P)/2=(24+14-12)/2=13
3. mb=(25+20-15)/2=15
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1. аналогично Р1+Р2=Р+2*hc, hc= (18+36-40)/2= 7
4. ha=(P1+P2-P)/2=(16+22-20)/2=9
2. lb=(P1+P2-P)/2=(24+14-12)/2=13
3. mb=(25+20-15)/2=15