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In DeltaABC , angleA=40^@ if bar(BO) and...

In `DeltaABC` , `angleA=40^@` if `bar(BO)` and `bar(CO)` are the bisectors of `angleB` and `angle C`, then the value of `angleBOC` is

A

`110^@`

B

`70^@`

C

`40^@`

D

`40^@`

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VGS PUBLICATION-BRILLIANT-TRIANGLES-EXERCISE
  1. Which measurement is required to Make a triangle along with sides 4 cm...

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  2. Which of the following statement is not correct ?

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  3. Which congruency rule is applied in the following figures?

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  4. Which congruency rule is taken for the following figures?

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  5. Which congruency rule is taken into consideration in the following fig...

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  6. In DeltaPQR, PQ = 5 cm, QR= 12 cm, and PR = 13 cm, then PQR is

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  7. The angles of a triangle are in the ratio 5:3:7, then the triangle is

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  8. In DeltaABC , angleA=40^@ if bar(BO) and bar(CO) are the bisectors of ...

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  9. Which of these is a postulate?

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  10. In the given diagram BD = AD and AC = CD then angleCAB:angleABD

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  11. In DeltaABC, D, E are the mid points bar(AB),bar(AC) of F, G are the m...

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  12. DeltaPQR is an equilateral triangle.X,Y,Z are the mid points of the si...

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  13. The exterior angle at R in DeltaPQR is

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  14. In DeltaXYZ the biggest angle is at which vertex?

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  15. triangleABC~=triangleDBCby which congruency rule?

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  16. In the given triangle is it possible to exist all exterior angles as r...

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  17. "In a triangle median decides the triangle into two triangle whoes are...

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  18. rectangleABCD is a Rhombus prove that the diagonals divides the Rhombu...

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  19. From the given figure, what is the additional information needed to pr...

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  20. In DeltaABC, bar(AD),bar(BE) are medians bar(BE)|\|bar(DF) . To prove ...

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