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CBSE Class 10 Answered

In Figure  DE II OQ and DF II OR show that EF II QR.       
Asked by Topperlearning User | 26 Jul, 2017, 01:40: PM
answered-by-expert Expert Answer

 

    In PQO;  DE II  OQ                

                    (BPT)

                   Also, in POR; DF II  OR

                    (BPT)

                   From (1) and (2) we have

                    

From converse of BPT, we have EF II QR.  Hence proved

Answered by | 26 Jul, 2017, 03:40: PM

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