tolong dibantu, bakal dikasih 10 poin

a.) AE = 2 cm
b.) QC = 2 cm
c.) DE = 7,5 cm
d.) PQ = 2,5 cm

AE = 3/2 × 1 = 1,5 cm
QC = 2/3 × 4,2 = 2,8 cm
DE = 3/2 × 2,5 = 3,75 cm
PQ = 2/3 ×7,5 = 5 cm