Question

Dau coroană! cât de repede se poate vă rog

Answer 1

3AP = 11PB
In total sunt 14 parti
1 parte = 35 / 14
1 parte = 2.5 cm
AP = 3 parti = 7.5cm

Answer 2

P∈{AB}⇒ AB=AP+PB;PB$\frac{PB}{AP}= \frac{3}{11}$ 
AB=35
PB=$\frac{3AP}{11}$
AP+$\frac{3AP}{11}$=35
AP=$\frac{385}{14}$
AP=$\frac{55}{2}$