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In a triangle ABC, right angled at A. Th...

In a triangle ABC, right angled at A. The radius of the inscribed circle is 2cm. Radius of the circle touching the side BC and also sides AB and AC produced is 15cm. The length of the side BC measured in cm is a, then 9a/13 is........

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PATHFINDER-SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE-QUESTION BANK
  1. Match List - I with List-II

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  2. Match List - I with List-II

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  3. In a triangle ABC, right angled at A. The radius of the inscribed circ...

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  4. If in a DeltaABC, BC =5, CA=4, AB=3 and D, E are the point on BC such ...

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  5. Three circle touch one another externally. The tangents at their point...

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  6. If the radius of the circumcircle of a triangle is 12 and that of the ...

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  7. In a DeltaABC, the maximum value of 4((sumacos^2(A/2))/(a + b + c))mus...

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  8. The sides of a cyclic quadrilateral are in A.P., the shortest is 6 an...

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  9. In DeltaABC, r/r1=1/2, then the value of tan(A/2)(tan(B/2)+tan(C/2)) m...

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  10. In a triangle ABC, the incircle touches the sides BC, CA and AB at D,...

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  11. In triangle ABC, a=5,b=4,c=3. G is the centroid of triangle. If R1 b...

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  12. In the adjacent figure 'P' is any arbitrary interior point of the tria...

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  13. Prove that asin(B-C)+bsin(C-A)+csin(A-B)=0.

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  14. Prove that 1-tan(A/2)tan(B/2)=(2c)/(a+b+c).

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  15. Prove that acosA+bcosB+ccosC=2asinBsinC.

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  16. prove that cosA +cosB+cosC=1+r/R.

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  17. The sides of a triangle are x^2+3x+3,2x+3,x^2+2x. Find the greatest a...

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  18. If P1,P2,P3 be the altitudes of a triangle from the vertices A,B,C Res...

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  19. If in triangleABC ,a^4+b^4+c^4=2c^2(a^2+b^2) then find angleC

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  20. Let h1,h2,h3 be the altitudes of the DeltaABC and let the inradius be ...

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