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 :
(iii) PQ = 1.28 cm, PR = 2.56 cm, PE = 0.18 cm, PF = 0.36 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.
Inorder to prove EF II QR
, we have to prove that
/ = /
Now, we find the ratios
Since L.H.S = R.H.S
Hence, EF QR

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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