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If the radius of the incircle of a trian...

If the radius of the incircle of a triangle withits sides 5k, 6k and 5k is 6, then k is equal to

A

3

B

4

C

5

D

6

Text Solution

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The correct Answer is:
B
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OBJECTIVE RD SHARMA-PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM-Chapter Test
  1. In a DeltaABC, AD is the altitude from A. Given bgtc ,angleC=23^(@) an...

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  2. If the angles A, B, C (in that order) of triangle ABC are in arithmeti...

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  3. If the radius of the incircle of a triangle withits sides 5k, 6k and 5...

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  4. Two sides of a triangle are 2sqrt2 and 2sqrt3cm and the angle opposite...

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  5. In a triangleABC, a=13cm, b=12 and c=5cm The distance of A from BC is

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  6. In a triangleABC,B=pi/8, C=(5pi)/(8). The altitude from A to the side ...

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  7. In a DeltaABC, A=(2pi)/3, b-c=3sqrt3 cm and area(DeltaABC)=(9sqrt3)/2 ...

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  8. In DeltaABC if a=(b-c)sectheta then (2sqrt(bc))/(b-c)sin(A/2)=

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  9. In a DeltaABC, (a + b + c) (b + c - a) = lambda bc. (where symbols ha...

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  10. If in DeltaABC, a=2b and A=3B, then A is equal to

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  11. Let the angles A , B and C of triangle A B C be in AdotPdot and let b ...

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  12. If in a Delta ABC, AD, BE and CF are the altitudes and R is the circum...

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  13. If in a triangleABC=(a)/(cos A)=(b)/(cos B), then

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  14. In a triangleABC, s/R=

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  15. If in a triangleABC, A=pi/3 and AD is the median, then

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  16. If any triangleABC, the value of a(b^(2)+c^(2))cos A+b(c^(2)+a^(2))cos...

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  17. If the angle of a right angled triangle are in A.P. then the ratio of ...

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  18. The sum of the radii of inscribed and circumscribed circle of an n sid...

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  19. If 0 lt x lt pi/2 then the largest angle of a triangle whose sides are...

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  20. The sides of a tringle are 3x+4y, 3y and 5x+5y where x,y gt0, then the...

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