E and F are points on the side PQ and PR respectively of ∆PQR. If PE=4cm, QE=4.5cm, PF=8cm and RF=9, state whether EF||QR

E and F are points on the side PQ and PR respectively of ∆PQR. If PE

1.	E and F are points on the side PQ and PR respectively of ∆PQR. If PE=4cm, QE=4.5cm, PF=8cm and RF=9, state whether EF\|\|QR
Answer» PE = 4 cm, QE = 4.5 cm, PF = 8cm, RF = 9cm∴ PE/QE = 4/4.5 = 40/45 = 8/9 [By USING BASIC proportionality THEOREM]And, PF/RF = 8/9So, PE/QE = PF/RFHence, EF is parallel to QR.Step-by-step explanation:

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E and F are points on the side PQ and PR respectively of ∆PQR. If PE=4cm, QE=4.5cm, PF=8cm and RF=9, state whether EF||QR​

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E and F are points on the side PQ and PR respectively of ∆PQR. If PE=4cm, QE=4.5cm, PF=8cm and RF=9, state whether EF||QR