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In the given diagram of DeltaABC, angleB...

In the given diagram of `DeltaABC, angleB=80^(@), angleC=30^(@)` BF and CF are the angle bisectors of `angleCBD and angleBCE` respectively. Find the value of `angleBFC` :

A

`110^(@)`

B

`50^(@)`

C

`125^(@)`

D

`55^(@)`

Text Solution

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The correct Answer is:
D
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ARIHANT SSC-GEOMETRY-INTRODUCTORY EXERCISE - 12.2
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  2. In the following figure angleB=70^(@) and angleC=30^(@). BO and CO are...

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  3. In the given diagram of DeltaABC, angleB=80^(@), angleC=30^(@) BF and ...

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  4. In an equilateral triangle, the incentre, circumcentre, orthocentre an...

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  5. In the adjoining figure D is the midpoint of BC of a DeltaABC, DM and ...

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  6. In the adjoning figure of DeltaABC, AD is the perpendicular bisector o...

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  7. Triangle ABC is such that AB=9 cm, BC = 6cm, AC = 7.5 cm. Triangle DE...

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  8. In DeltaABC, AB=5cm, AC=7cm. If AD is the angle bisector of angleA The...

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  9. In a DeltaABC, D is the mid - point of BC and E is mid - point of AD, ...

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  10. In a DeltaABC, AB=AC and AD|BC, then:

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  11. The difference between altitude and base of a right angled triangle is...

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  12. If AB, BC and AC be the three sides of a triangle ABC, then which one ...

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  13. In the triangle ABC, side BC is produced to D. angleACD=100^(@) if BC ...

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  14. In the adjoining figure D, E and F are the mid - points of the sides B...

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  15. In the adjoining figure angleBAC=60^(@) and BC = a, AC = b and AB = c,...

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  16. In the adjoining figure of DeltaABC, angleBCA=120^(@) and AB = c, BC =...

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  17. In a right angled DeltaABC, angleC=90^(@) and CD is the perpendicular ...

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  18. If the medians of a triangle are equal, then the triangle is

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  19. The incentre of a triangle is determined by the :

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  20. The circumcentre of a triangle is determined by the :

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