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In a triangle if r(1)=2r(2)=3r(3), then ...

In a triangle if `r_(1)=2r_(2)=3r_(3)`, then `(a)/(b)+(b)/(c)+(c)/(a)=`

A

`(75)/(60)`

B

`(155)/(60)`

C

`(176)/(60)`

D

`(191)/(60)`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-PROPERTIES OF TRIANGLES-LECTURE SHEET EXERCISE - III (Straight Objective Type Question)
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  5. In a traingle ABC,. (r(1)-r)/(a)+(r(2)-r)/(b)+(r(3)-r)/(c)=

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  7. If R+r=r(3) then C=

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  11. In a triangle ABC let angle C=pi//2. If r is the inradius and R is the...

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  12. Statement-I : If side BC and radiu of r(2)a nd r(3) of an acute angled...

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  13. If alpha, beta, gamma are lenghts of internal bisectors of angles A,B,...

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  14. If Delta is the area of a triangle with side lengths a , b , and c , ...

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  15. A circle is inscribed in an equilateral triangle of side a, The area o...

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  16. 3 - Circles with radii a, b, c touch one another externally tangents a...

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  18. A triangle has sides 6,7 and 8. The line through its incentre parallel...

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  19. If p(1), p(2), p(3) are respectively the perpendiculars from the verti...

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