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Question
If ΔPQR, AB is drawn parallel to QR. If PQ = 9cm, PR = 6cm and PB = 4.cm, find the length of AP.
Sum
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Solution
AB || QR
`"AP"/"PQ" = "PB"/"PR"`
⇒ `"AP"/(9) = (4.2)/(6)`
⇒ AP = `(4.2 xx 9)/(6)`
⇒ AP = 6.3cm.
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