Question

P aparține [AB] . PB supra AP = 3 supra 11 . [AB] = 35 cm . Aflati lungimea segmentului [AP] .

Answer 1

PB/AP=3/11
11PB=3AP
PB=3AP/11
AB=AP+PB
PB=AB-AP
3AP/11=35-AP
3AP/11+AP=35
(3AP+11AP)/11=35
14AP=35x11
AP=385/14
AP=27,5 cm