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If a = 18 , b= 24 , c= 30 " then" r2 r1...

If `a = 18 , b= 24 , c= 30 " then" r_2 r_1 ` is

A

` 6`

B

` 3`

C

` 1`

D

` 4`

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AAKASH SERIES-PROPERTIES OF TRIANGLES-EXERCISE - II
  1. In Delta ABC, (ab-r1 r2)/r3=

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  2. In Delta ABC , if r1 = 8, r2=12 , r3 = 24 then the value of sin B=

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  3. If a = 18 , b= 24 , c= 30 " then" r2 r1 is

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  4. If the sides of a triangle are xy + yz , yz +zx , zx+ xy then inradi...

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  5. If r1 , r2 , r3 are the radii of the escribed circles of a Delta ABC ...

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  6. In a Delta ABC if angle A=90^@, then cos^(-1)(( R)/(r2 +r3)) is equal

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  7. In Delta ABC if a= 26 , b = 30 , cos C ""( 63)/( 65) " then " r2...

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  8. In Delta ABC ( ( s-a))/( Delta) = (1)/( 8) , ( ( s-b))/( Delta ) = (...

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  9. (r1)/( R ) =sin A + sin B + sin C then the triangles is

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  10. In Delta ABC if ( r1+s)/( r1) =sqrt2 " then " (b^(2) +c^(2) -a^(2))/(...

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  11. In Delta ABC if ( r1+s)/( r1) =sqrt2 " then " (b^(2) +c^(2) -a^(2))/(...

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  12. In triangle ABC if Delta = 96, r1=8,r2 = 12 r3= 24 then the greatest...

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  13. In Delta ABC , ( Delta ^(2))/( a^(2) + b^(2) + C^(2)) {(1)/( r1^(2) ...

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  14. In Delta ABC , ( r1r+ r2r3)/( bc)=

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  15. In Delta ABC , r1r2 sqrt([( 4R -r1-r2)/( r1+r2)]) =

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  16. Prove that sum (r+r1) tan ((B-C)/( 2))=0

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  17. In Delta ABC, the correct formule among the following are Statemen...

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  18. In Delta ABC , with usual notation observe the two statements given ...

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  19. In Delta ABC Macth of following

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  20. Assertion (A) : The angle between equal sides of an isosceles triangle...

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