Ex 6.2 ,9
ABCD is a trapezium in which AB || DC and its diagonals intersect each other at the point O. Show that / = /
Given: ABCD is a trapezium
where AB II DC
& diagonals AC & BD intersect at O
To prove: / = /
Construction:
Let us draw a line EF II AB II DC passing through point O.
Proof: Now , in
EO II DC
So, / = /
Similarly ,
In DBA
EO II AB
/ = /
From (1) & (2)
/ = /
/ = /
Hence proved

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.

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