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In Delta ABC, AD is the internal bisecto...

In `Delta ABC`, AD is the internal bisector of `/_A`, meeting the side BC at D. If `BD = 5 cm, BC = 7.5 cm`, then `AB : AC `is

A

`2:1`

B

`1:2`

C

`4:5`

D

`3:5`

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The correct Answer is:
A
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LUCENT PUBLICATION-CONGRUENCE AND SIMILAR TRIANGLES -EXERCISE-5A
  1. In DeltaABC, DE||BC where D and E are respectively lie on AB and AC an...

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  2. The points D and E are taken on the sides AB and AC of DeltaABCsuch th...

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  3. In Delta ABC, AD is the internal bisector of /A, meeting the side BC a...

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  4. A straight line parallel to the base BC of the triangle ABC intersects...

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  5. D is any point on side AC of DeltaABC. If P,Q, X, Y are the mid points...

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  6. In Delta ABC, PQ is parallel to BC. If AP : PB = 1 : 2 and AQ = 3 cm, ...

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  7. A line parallel to side BC of DeltaABC meets AB and AC respectively at...

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  8. ABC is an equilateral triangle. P and Q are two points on bar(AB) and ...

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  9. In DeltaABC, XY is parallel to BC and it divides the triangle into two...

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  10. In triangle DeltaABC, points E and F lie on sides AB and AC such that ...

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  11. Point D and E respectively lie on the sides AB and AC of a triangle su...

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  12. If ratio of area of two similar triangles are 16:9 then ratio of perim...

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  13. If area of two similar triangle are equal then ratio of their correspo...

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  14. If ratio of area of two similar triangles are 64:81 and length of inte...

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  15. Diagonals AC and BD of a quadrilateral intersect at O. It AO:OC=1:2=BO...

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  16. In a triangle ABC, points D and E respectively lie on side AB and AC s...

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  17. Point D lies on side BC of a DeltaABC such that angleADC=angleBAC. If ...

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  18. Which of the following represents the sides of an acute angled triangl...

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  19. Which of the following combination of sides results in the formation o...

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  20. If the length of the three sides of a triangle are 6 cm, 8 cm and 10 c...

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