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किसी DeltaPQR की भुजाओं PQ और PR पर ...

किसी `DeltaPQR` की भुजाओं PQ और PR पर क्रमशः बिंदु E और F स्थित हैं । निम्नलिखित में से प्रत्येक स्थित के लिए बताइए कि क्या `EF||QR` है :
(i) `PE = 3 *9` सेमी , EQ =3 सेमी , PF = `3*6` सेमी और FR `=2*4` सेमी
(ii) PE = 4 सेमी , QE `=4*5` सेमी , PF =8 सेमी और RF = 9 सेमी
(iii) PQ `=1 *28` सेमी , PR `=2 *56` सेमी , PE `=0*18` सेमी और PE `=0.36` सेमी

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E and F are points on the sides PQ and PR respectively of DeltaP Q R . For each of the following cases, state whether EF || QR: (i) PE = 3.9 cm. EQ = 3 cm. PF = 3.6 cm and FR = 2.4 cm (ii) PE = 4 cm. QE = 4.5 cm. PF = 8 cm and RF = 9 cm (iii) PQ = 1.28 cm, PR = 2.56 cm, PE = 0.18 cm and PF = 0.36 cm

E and F are points on the sides PQ and PR respectively of DeltaP Q R . For each of the following cases, state whether EF || QR: (i) PE = 3.9 cm. EQ = 3 cm. PF = 3.6 cm and FR = 2.4 (ii) PE = 4 cm. QE = 4.5 cm. PF = S cm and RF = 9 cm (iii) PQ = 1.28 cm, PR = 2.56 cm, PE = 0.18 cm and PF = 0.36 cm

E and F are points on the sides PQ and PR respectively of Delta PQR. For each of the following cases, state whether EF || QR: (i) PE=3.9 cm, EQ=3 cm,PF=3.6 cm,FR=2.4cm (ii) PE=4 cm,QE=4.5 cm,PF=8 cm,RF=9 cm (iii) PQ=1.28cm,PR=2.56 cm,PE=0.18cm,PF=0.36cm