CBSE NCERT Solutions Chapter 6 Triangles Exercise 6.2 Question 5
5. In fig, DE
OQ and DF
OR. Show that EF
QR.
Solution:
In
POQ, it is given that ED
QO.
Therefore, by Basic proportionality theorem
(1)
In
POR, it is given that DF
OR.
Therefore, by Basic proportionality theorem
(2)
From (1) and (2), we get
Therefore, by the Converse of Basic proportionality theorem, we can say that EF
QR.
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