Jawabanmu

2014-04-17T14:48:40+07:00
A. 24×16=18×RT | RT=21.33 | b. 11×15=12×PU | PU=13.75 | c. PS^2=16^2+30^2=256+900=1156 | PS=34 | SR=16×11/4=44 | Kll=2 (34+44)=2 (78)=156 semoga membantu^^