8. a.)→ AQ:QC=AP:PB
a:(a+3)=10:12
10(a+3)=12a
10a+30=12a
30=12a-10a
30=2a
15=a
b.) QC=a+3
= 15 + 3
= 18 cm
9. →PK:PL=PQ:PR
X:18=16:8
8X=16 x 18
8X=288
X=36
PK= 36 cm
RL= ?
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8. a.)→ AQ:QC=AP:PB
a:(a+3)=10:12
10(a+3)=12a
10a+30=12a
30=12a-10a
30=2a
15=a
b.) QC=a+3
= 15 + 3
= 18 cm
9. →PK:PL=PQ:PR
X:18=16:8
8X=16 x 18
8X=288
X=36
PK= 36 cm
RL= ?