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The sides of a triangle are 3x+4y,4x+3ya...

The sides of a triangle are 3x+4y,4x+3yand 5x+5y, where `x,ygt 0`. The triangle is

A

right angled

B

equilateral

C

obtuse-angle

D

none of these

Text Solution

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The correct Answer is:
C
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PATHFINDER-SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE-QUESTION BANK
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  3. The sides of a triangle are 3x+4y,4x+3yand 5x+5y, where x,ygt 0. The t...

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  4. If in a triangle ABC, B =(2pi)/3, then cosA +cosC lies in

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  5. In a triangle ABC, sinA+sinB+sinC=1+sqrt2 and cosA+cosB+cosC=sqrt2. Th...

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  6. If A+B+C+D=pi, then the value of sumcosAcosC-sumsinA sinCis

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  7. If ina triangle ABC, b+c=3a, then cot(B/2)cot (C/2) is equal to

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  9. The area of the triangle inscribed in a circle of radius 4 and the rat...

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  11. If in an obtuse angled triangle the obtuse angle is (3pi)/4 and the ot...

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  12. The radius of the circle passing through the centre of incircle of...

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  13. In a DeltaABC, b^2+c^2=1999a^2, then (cotB+cotC)/cotA is equal to

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  14. In a DeltaABC, tanAtanBtanC=9. For such tiangle , if tan^2A+tan^2B+ta...

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  15. If in a DeltaABC, r1r2+r2r3+r3r1 is equal to (where r1,r2,r3 are the...

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  16. In a DeltaABC, 2cosA=sinB/sinCand 2^(tan^2B) is a solution of equlatio...

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  17. The area of the circle and the area of a regular polygon inscribed th...

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  18. If there are only two linear function f and g which map [1.2] on [4,6]...

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  19. If A ,B,C,D are the angle of quadrilateral, then (sumtanA)/(sumcotA)is...

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  20. If Delta be the area of a triangle ABC and length of its two sides are...

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