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In DeltaABC AD is angle bisector such t...

In `DeltaABC` ` AD` is angle bisector such that BD : DC = 2 : 3. If AB = 7 cm then find AC : BC.

A

`2:3`

B

`3:2`

C

`21:10`

D

data insufficient

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The correct Answer is:
C
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LUCENT PUBLICATION-CENTRE OF TRIANGLE-EXERCISE-6A
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  4. Assertion (A) : AD is angle bisector of angleA of the triangle ABC. If...

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  5. O is the incentre of ABC and angleA=30^(@). Accordingly what is angleB...

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  6. O is centroid of DeltaABC and AD, BE, CF are its three medians. If are...

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  7. O and C are respectively orthocentre and circumcentre of a Delta PQR. ...

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  8. From the circumcentre O of traingle ABC , perpendicular OD is drawn ...

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  9. O is the circumcentre of a triangle ABC. If angleBAC=85^(@) and angleB...

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  10. ABC is a triangle median CD and BE intersects at point O then find the...

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  11. Let O be the in-centre of a triangle ABC and D be a point on the side ...

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  12. The radius of incirlce of an equilateral triangle is 3 cm. What is the...

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  13. I is the incentre of the triangle ABC. If angleABC=60^(@) and angleACB...

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  14. Which groups of centres of a triangle given below always lie in a stra...

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  15. If distance betweenn orthocentre and circumcentre of a triangle is 6 c...

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  16. Which pair of centres given below lie outside a acute angle triangle?

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  17. What is the distance between circumcentre and orthocentre of a right a...

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  18. If hypotenuse of a right angle is 15 cm then wht is the distance betwe...

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  19. A non right angle bisector of a right angled isosceles triangle divide...

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  20. In a DeltaABC, BC = 9 cm, AC = 40 cm and AB = 41 cm. If bisector of an...

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