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The sides of a triangle are 4,5,6 cm. Sh...

The sides of a triangle are 4,5,6 cm. Show that its smallest angle is half of its greatest angle.

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CHHAYA PUBLICATION-PROPERTIES OF TRIANGLE -Long Answer Type Questions
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  4. If in triangleABC, tan^(-1)(a/(b+c))+ tan^(-1)(c/(a+b)) = pi/4, then p...

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  5. If (sin A)/(sin C) = (sin (A-B))/(sin (B-C)), then show that, a^(2), b...

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  6. In triangle ABC ,a=3,b=3sqrt3 and A=30^@, then find B?

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  7. In any triangle ABC, if sin A : sin B: sin C= 4:5:6, then prove that, ...

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  8. In any triangle ABC, if tan (A/2), tan (B/2), tan (C/2) are in A.P., p...

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  9. If h be the length of the perpendicular drawn from A on BC in the tria...

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  10. If D is the mid-pointof the side BC of a triangle ABC and angleBAD = t...

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  11. The sides of a triangle are 4,5,6 cm. Show that its smallest angle is ...

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  12. ABC is a triangle and D is the middle point of BC. If AD is perpendicu...

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  13. In any triangle ABC, if (cos A + 2 cos C)/(cos A + 2 cos B) = (sin B)/...

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  14. If x,y,z are altitudes of the triangle ABC, through the vertices A,B, ...

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  15. In any triangle PQR, angleR = pi/2. If tan 'P/2 and tan 'Q/2 are the r...

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  16. In triangle ABC, if 3(tan'A/2' + tan'C/2') = 2 cot 'B/2 then show that...

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  17. In the triangle ABC if (2 cos A)/a + ( cos B)/b + (2 cos C)/c = a/(...

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  18. If in the triangle ABC, C=pi/2 and tan 'A/2', tan 'B/2 are two roots o...

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  19. In the triangle ABC, if (b+c)/11 = (c+a)/12 = (a+b)/13, prove that (co...

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  20. In the triangle ABC, two sides b,c and angle B are given, side a has t...

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