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Any point X inside D E F is joined to...

Any point `X` inside ` D E F` is joined to its vertices. From a point `P` in `D X ,\ P Q` is drawn parallel to `D E` meeting `X E` at `Q` and `Q R` is drawn parallel to `E F` meeting `X F` in `R` . Prove that `P R || D F` .

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RD SHARMA ENGLISH-TRIANGLES-All Questions
  1. In Fig. if E F|| D C|| A Bdot Prove that (A E)/(E D)=(B F)/(F C) . (...

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  2. In Fig. if P Q|| B C and P R|| C D . Prove that (i) (A R)/(A D)=(A...

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  3. Any point X inside D E F is joined to its vertices. From a point P ...

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  4. In Fig. 4.31, if (A D)/(D C)=(B E)/(E C) and /C D E=/C E D , prove ...

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  5. In Fig. 4.32, D E|| A Q and D F|| A R . Prove that E F || Q R . ...

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  6. In Fig. 4.33, (P S)/(S Q)=(P T)/(T R) and /P S T=/P R Q . Prove ...

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  7. In Fig. 4.34, A ,\ B and C are points on O P ,\ O Q and O R resp...

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  8. In a A B C , D and E are points on the sides A B and A C respective...

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  9. In a A B C , D and E are points on the sides A B and A C respective...

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  10. In a A B C , D and E are points on the sides A B and A C respective...

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  11. In a A B C , D and E are points on the sides A B and A C respective...

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  12. In a A B C ,\ \ D\ a n d\ E are points on the sides A B and A C res...

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  13. In a A B C ,\ \ D\ a n d\ E are points on the sides A B and A C res...

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  14. In a A B C , P and Q are point on the sides A B and A C respectivel...

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  15. In a A B C , D and E are points on A B and A C respectively such ...

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  16. In Fig. state if P Q||E F

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  17. M and N are points on the sides P Q and P R respectively of a P Q...

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  18. If D and E are points on sides A B and A C respectively of a trian...

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  19. In Fig. 4.41, A D is the bisector of /A . If B D=4c m , D C=3c m...

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  20. In Fig. 4.42, A D is the bisector of /B A C . If A B=10 c m . A ...

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