mcm mana mau selesaikan itu

A-B=15km
P-B=1/3 jarak A
=1/3x15
=5km
P-C=P-B
5km=5km
a. jarak A ke P=15km - 5km
=10km=10.000m
b. jumlah jarak PC dan PB
5km + 5km
=10km

sAB = 15 km
sPC = 1/3(15) = 5 km = sPC

maka,
sAP = sAB - sPC
=> 15 km - 5 km
=> 10 km

PC + PB = 5+5 = 2(5km) = 10 km