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Statement - I : Area of triangle having ...

Statement - I : Area of triangle having sides greater than 9 can be smaller than area of triangle having sides less than 3. Because : Statement - II : Sine of a angle of triangle can take any value in (0, 1] A        (b)  B        (c)  C                 (d)  D

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ALLEN-SOLUTION AND PROPERTIES OF TRIANGLE-All Questions
  1. Statement - I : The statement that circumradius and inradius of a t...

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  2. Statement - I : In any triangle A B C , the minimum values of (r1+r2+r...

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  3. Statement - I : Area of triangle having sides greater than 9 can be ...

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  4. Let An be the area that is outside a n-sided regular polygon and insid...

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  5. If n=4\ then Bn is equal to : R^2((4-pi))/2 (b) (R^2(4-pisqrt(2)))/2 ...

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  6. (An)/(Bn) is equal to (theta=pi/n) (2theta-sin2theta)/(sin2theta-thet...

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  7. Prove that : 4\ R\ sin AsinB\ sin C=acosA+b\ cos B+c cosCdot

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  8. Prove that : acosB\ cos C+bcosCcosA+c\ cos AcosB=/R

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  9. If p1, p2, p3, be the altitudes of a triangle ABC from the vertices A,...

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  10. Prove that : (a b c)/scosA/2cosB/2cosC/2=

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  11. In a DeltaABC, if B=3C, prove that (i) cosC=sqrt(((b+c)/(4c)))" (i...

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  12. A B C is a triangle. D is the mid point of B Cdot If A D is perpendicu...

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  13. Let 1 lt m lt 3. ln a Delta ABC, if 2b= (m+1) a and cos A=1/2 sqrt(((m...

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  14. Prove that : 1/(r1)+1/(r2)+1/(r3)=1/r

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  15. Prove that r1+r2+r3-r=4R

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  16. If r(1), r(2) ,r(3) are the ex-radii of DeltaABC, then prove that (b...

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  17. Consider a D E F , the pedal triangle of the A B C such that A-F-B\ ...

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  18. D E F is the triangle formed by joining the points of contact of the i...

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  19. If sides a , b , c of the triangle A B C are in AdotPdot , then prove ...

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  20. sin6x=sin4x−sin2x then Find the value of x.

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