Question

sa seafle perimetrul unui triunghi cu ipotenuza de 60 cm si catetele invers proportionale cu 5 si 12

Answer 1

c²+ C²=1potenuza² 12c=5C=k=> c=k/12 C=k/5 => k²/144+k²25=3600 =>25k²+144k²=3600*144*25 169k²=3600*144*25 =>k=60*12*5/13 =>k=3600/13 =>c=3600/13*1/12=300/13 C=3600/13*1/5=720/13 =>P=300/13+720/13+60=1020/13+60=(1020+780)/13=1800/13