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Diagonals AC and BD of a trapezium ABCD...

Diagonals AC and BD of a trapezium ABCD with AB || DC intersect each other at the point O. Using a similarity criterion for two triangles, show that `(O A)/(O C)=(O B)/(O D)`

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OSWAL PUBLICATION-TRIANGLES-NCERT CORNER ( TEXTBOOK QUESTIONS) ( EXERCISE - 6.3 )
  1. State the pairs of triangles in the given figures are similar . Write ...

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  2. In the figure below DeltaODC ~ DeltaOBA , angleBOC = 125^(@) and an...

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  3. Diagonals AC and BD of a trapezium ABCD with AB || DC intersect each ...

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  4. In the given figure, (QR)/(QS)= (QT)/(PR) and angle1 = angle2 then pro...

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  5. S and T are points on sides PR and QR of DeltaP Q Rsuch that /P=/R T...

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  6. In the Figure given below if DeltaABE ~= DeltaACD show that DeltaADE ~...

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  7. In the figure given below altiudes AD and CE of DeltaABC intersect ea...

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  8. In the figure given below altiudes AD and CE of DeltaABC intersect ea...

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  9. Show that: DeltaAEP~DeltaADB

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  10. Show that :DeltaPDC~ DeltaBEC

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  11. E is a point on the side AD produced of a parallelogram ABCD and BE i...

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  12. In the figure given below ABC and AMP are two right triangles right an...

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  13. In figure ABC and AMP are two right triangles, right angles at B an...

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  14. CD and GH are respectively the bisectors of angleACB and angleEGF suc...

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  15. CD and GH are respectively the bisectors of angleACB and angleEGF suc...

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  16. CD and GH are respectively the bisectors of angleACB and angleEGF of D...

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  17. In the given figure, E is a point on side CB produced of an isosceles...

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  18. Sides AB and BC and median AD of a triangle ABC are respectively pr...

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  19. In the given figure , D is a point on the side BC of Delta ABC such th...

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  20. Sides AB and AC and median AD of a triangle ABC are respectively prop...

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