In triangle ABC seg PQ parallel side AB,CP = 8, AP= 4,BQ= 6 find CQ=?
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PQ∥AC,AP=4cm,PB=6cm and BC=8cm
∠BQP=∠BCA … [because alternate angles are equal]
Also, ∠B=∠B … [common for both the triangles]
Therefore, △ABC∼△BPQ
Then, BQ/BC=BP/AB=PQ/AC
BQ/BC=6/(6+4)=PQ/AC
BQ/BC=6/10=PQ/AC
BQ/8=6/10=PQ/AC … [because BC=8cm given]
Now, BQ/8=6/10
BQ=(6/10)×8
BQ=48/10
BQ=4.8cm
Also, CQ=BC−BQ
CQ=(8−4.8)cm
CQ=3.2cm
Therefore, CQ=3.2cm and BQ=4.8cm.
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