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Question

If in fig. (i) and (ii), PQ BC, find QC in (i) and AQ in (ii).

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Solution

In ΔABC,PQBC
By basic Proportionality Theorem, we get
APPB=AQQC
1.53=1.3QC
QC=1.3×315=135=2.6cm
Hence, QC=2.6cm
In fig. (ii) given above
In ΔABC,PQBC
By Basic Proportionality Theorem, we get
APPB=AQQC36=AQ5.3
AQ=3×5.36=5.32=2.65cm

1031922_345873_ans_e1cb364f2cce4ad2bb869e4395641e9c.jpg

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