I forgot the formula to this :/

Dik : AB = 25 CM
CD = 10 CM
BC = 5 CM
QC = 2 CM

Dit : PQ?

Jawab = ab.qc+cd.bq/ cq+bq
= 25.2+10.3/2+3
= 50+30/5
=80/5
=16 (d)

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