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Let f, g and h be the lengths of the per...

Let `f, g and h` be the lengths of the perpendiculars from the circumcenter of `Delta ABC` on the sides a, b, and c, respectively. Prove that `(a)/(f) + (b)/(g) + (c)/(h) = (1)/(4) (abc)/(fgh)`

A

`(1)/(4)`

B

`(1)/(2)`

C

`1`

D

`2`

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A
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MOTION-SOLUTION OF TRIANGLE-EXERCISE -1
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  10. If the area of triangles is 100 sq. cm, r1= 10 cm and r2= 50 cm, then...

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  11. In a triangleABC, the inradius and three exradii are r,r1,r2" and "r3 ...

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  13. In a triangle ABC, if (a-b)/(b-c)= (s-a)/(s-c), then r1,r2,r3 are in

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  14. If AD, BE and CF are the medians of a ABC ,then (AD^(2)+BE^(2)+CF^(2))...

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  15. In triangle ABC, line joining the circumcenter and orthocenter is para...

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  16. In a triangle ABC, angle A = 30^(2), BC = 2 + sqrt5, then find the dis...

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  17. If in triangle A B C ,sumsinA/2=6/5a n dsumI I1=9 (where I1,I2a n dI3 ...

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  18. If in a triangle A B C , right angle at B ,s-a=3a n ds-c=2, then a=2,c...

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  19. If H is the orthocentre of a triangle ABC, then the radii of the circl...

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  20. Let f, g and h be the lengths of the perpendiculars from the circumcen...

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