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In Figure, (A O)/(O C)=(B O)/(O D)=1/2 a...

In Figure, `(A O)/(O C)=(B O)/(O D)=1/2` and `A B=5 cm` . Find the value of `D C`.

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RD SHARMA ENGLISH-TRIANGLES-All Questions
  1. The perimeters of two similar triangles A B C and P Q R are resp...

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  2. In Figure if /A D E=/B show that A D E ~ A B C . If A D=3. 8 c m ,...

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  3. In Figure, (A O)/(O C)=(B O)/(O D)=1/2 and A B=5 cm . Find the value...

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  4. In Fig. 4.97, if /A=/C , then prove that A O B ~ C O D . (FIGU...

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  5. In Fig. if A B|B C and D E|A C . Prove that A B C ~ A E D

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  6. In Fig. 4.99, if /P=/R T S , prove that R P Q ~ R T S . (FIGUR...

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  7. In Fig. , if (Q T)/(P R)=(Q R)/(Q S) and /1=/2 . Prove that P Q S...

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  8. In Fig. 4.101, A D and C E are two altitudes of A B C . Prove t...

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  9. In Fig. 4.102 (i) and (ii) , if C D and G H (D\ a n d\ H lie on A B...

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  10. In Figure, C D and G H are respectively the medians of A B C and E...

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  11. In Figure, if B D|A C and C E|A B , prove that (i) /\A E C ~ /\A ...

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  12. D is a point on the side B C of A B C such that /A D C=/B A C . Pr...

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  13. In Fig. 4.106, considering triangles B E P and C P D , prove tha...

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  14. P and Q are points on sides A B and A C respectively of A B C ....

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  15. In Figure, express x in terms of a ,\ b and c.

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  16. In Figure, /B A C=90dot and segment A D|B C . Prove that A D^2=B D...

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  17. In /\ A B C , if A D|B C and A D^2=B DxxD C , prove that /B A C=90do...

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  18. In a A B C ,\ \ B D and C E are the altitudes. Prove that A D B an...

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  19. In Figure, A B C D is a trapezium with AB||DC . If /\ A E D is simil...

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  20. If E is a point on side AD produced of a parallelogram ABCD and BE in...

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