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In Delta ABC, if (a-b) (s-c)= (b-c) (s-a...

In `Delta ABC, if (a-b) (s-c)= (b-c) (s-a)` then `r_1,r_2,r_3` are in

A

A.P.

B

G.P.

C

H.P.

D

None

Text Solution

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The correct Answer is:
B
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DIPTI PUBLICATION ( AP EAMET)-PROPERTIES OF TRIANGLES -EXERCISE 1B
  1. In Delta ABC, if a,b,c are in A.P, then r1,r2,r3 are in

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  2. In Delta ABC, if r1,r2,r3 are in H.P., then a,b,c are in

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  3. In Delta ABC, if (a-b) (s-c)= (b-c) (s-a) then r1,r2,r3 are in

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  4. In Delta ABC, if r-1,R=4, Delta =8, then ab+bc+ca=

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  5. In Delta ABC, if r1,r2,r3 are in H.P., then r2//r=

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  6. In Delta ABC, if r1=r2=r3 then the triangle is

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  7. In Delta ABC, if r r1=r2 r3, then the triangle is

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  8. In Delta ABC the roots of the equation x^3-(r+4R)x^2+s^2x-s^2r=0 are

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  9. In Delta ABC, if r1 lt r2 lt r3 then

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  10. In Delta ABC, if 2r1=3r2=r3, then a:b:c=

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  11. In Delta ABC, if 4r=3R then cos A+ cos B+ cos C=

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  12. In Delta ABC is H is the orthocentre of Delta ABC and x= AH, y=BH, z=C...

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  13. If the line joining the circumcentre 'O' and the incentre I is paralle...

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  14. In Delta ABC, if 2R+r=r1 then the triangle is

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  15. If A,A(1),A(2),A(3) are the areas of incircle and ex-circle of a trian...

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  16. The ratio of the area of the incircle to the area of Delta ABC is

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  17. If p(1),p(2),p(3) are altitudes of a DeltaABC then show that (1)/(...

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  18. IF p1,p2,p3 are the lengths of the altitudes of a triangle from the ve...

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  19. IF p1,p2,p3 are the lengths of the altitudes of a triangle from the ve...

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  20. IF p1,p2,p3 are the lengths of the altitudes of a triangle from the ve...

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