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In a ` A B C ,\ \ D\ a n d\ E` are points on the sides `A B` and `A C` respectively. For each of the following cases show that `D E// B C` : `A B=12\ c m ,\ \ A D=8\ c m ,\ \ A E=12\ c m\ a n d\ A C=18\ c m` .

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RD SHARMA ENGLISH-TRIANGLES-All Questions
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  2. In a A B C , D and E are points on the sides A B and A C respective...

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  3. 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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  4. 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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  5. In a A B C , P and Q are point on the sides A B and A C respectivel...

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

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

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

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

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

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

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  12. If the diagonal B D of a quadrilateral A B C D bisects both /...

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  13. If the bisector of an angle of a triangle bisects the opposite side...

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  14. In triangle A B C , if A D is the bisector of /A , prove that: (A...

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  15. B O and C O are respectively the bisectors of /B and /C of A B C ....

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  16. In a /\ A B C , A D is the bisector of /A , meeting side B C at D ...

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  17. In a /\ A B C , A D is the bisector of /A , meeting side B C at D ...

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  18. In a A B C , A D is the bisector of /A , meeting side B C at D ...

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  19. In Fig. 4.57, A E is the bisector of the exterior /C A D meeting...

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  20. In Fig. 4.58, A B C is a triangle such that (A B)/(A C)=(B D)/(...

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