Ex 6.2, 2
E and F are points on the sides PQ and PR respectively of a PQR. 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
Note- If a line divides any two sides of the triangle in the same ratio, then the line is parallel to the third side.
So, in order to prove EF II QR
we have to prove that / = /
Since L.H.S R.H.S
Hence, EF and QR are not parallel

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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