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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 `(OA)/(OC)=(OB)/(OD)`

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Diagonlas 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 (OA)/(OC) = (OB)/(OD) .

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SUBHASH PUBLICATION-TRIANGLES -EXERCISE 2.3
  1. State which pairs of triangles in Fig are similar. Write the similarit...

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  2. In Fig , DeltaODC ~DeltaOBA, angleBOC =125^(@)and angleCDO=70^(@)." Fi...

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

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  4. In Fig (QR)/(QS)=(QT)/(PR)= and angle1 = angle2. show that DeltaPQS ~D...

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  5. S and T are points on sides PR and QR of DeltaPQR such that angleP = a...

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  6. In Fig , if DeltaABE angleDeltaACD , show that DeltaADE ~ DeltaABC

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  7. In Fig , altitudes AD and CE of triangle ABC intersect each other at t...

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  8. In Fig , altitudes AD and CE of triangle ABC intersect each other at t...

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  9. In Fig , altitudes AD and CE of triangle ABC intersect each other at t...

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  10. In Fig , altitudes AD and CE of triangle ABC intersect each other at t...

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

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  12. In Fig , ABC and AMP are two right triangles, right angled at B and M...

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  13. In Fig , ABC and AMP are two right triangles, right angled at B and M...

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

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

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  16. GD and GH are respectively the bisectors of angleACB and angleEGF suc...

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  17. In Fig E is a point on side CB produced of an isosceles triangle ABC ...

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  18. sides AB and BC and median AD of a triangle ABC are respectively prop...

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  19. D is a point on the side BC of a triangle ABC such that angleADC=angl...

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  20. side AB and AC and median AD od a triangle ABC are respectively propor...

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