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In Delta ABC , if (a)/( c ) = (sin (A...

In ` Delta ABC , if (a)/( c ) = (sin (A-B))/( sin (B-C)) , " then " a^(2) , b^(2) , c^(2) ` are in

A

A.P.

B

G.P.

C

H.P.

D

A.G.P

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AAKASH SERIES-PROPERTIES OF TRIANGLES-PRACTICE EXERCISE
  1. In Delta ABC , a sin ^(2) "" ( C ) /(2) + c sin ^(2) "" (A ) /(2) ...

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  2. In Delta ABC , tan "" (A)/(2) , tan "" (B)/(2) are in H.P. A,b,c ...

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  3. In Delta ABC , if (a)/( c ) = (sin (A-B))/( sin (B-C)) , " then " ...

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  4. In Delta ABC , if cot "" (A)/(2) , cot "" ( B)/(2) , cot "" (C )/(2...

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  5. In Delta , if cot "" (A)/(2) : cot : (B )/(2) : cot ""( C )/(2) =...

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  6. In Delta ABC , if ( sin A)/(4) = (sin B)/(5) = (sin C)/( 6) then th...

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  7. In Delta ABC , if a: b: c = 3: 4:5 then sin A : sin B : sin C =

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  8. Cot A +Cot B +cot C =

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  9. If 4,5 are two sides of a triangle and included angle 60 ^(@) , ...

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  10. Area of triangle is 75 cm^(2) and two of its sides 20 cm, 15cm ,t...

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  11. IF 13,14,15 are the sides of the triangle , then the area of the trian...

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  12. If the sides of a triangle are 5, 7, 8 then its area is

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  13. If the area of Delta ABC with sides a,b,c is Delta, then the are...

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  14. Two angles of a triangles are (pi)/(6) and (pi)/(4) included si...

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  15. If in Delta ABC, b-c = 3sqrt3 , A= 120 ^(@) and the area of Delt...

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  16. In Delta ABC , ( bc cos A + c a cos B + ab cos C) /( cot A + cot B ...

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  17. If a = 5, b= 12 ,c = 13 then R =

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  18. If a cos A = b cos B then triangle ABC is

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  19. In Delta ABC , sum a (sin B - sin C)

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  20. In Delta ABC, sum a .sin (B-C)=

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