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If Delta be the area of a triangle ABC a...

If `Delta` be the area of a triangle ABC and length of its two sides are 3 and 5. If c is the third side, then

A

`Deltale((c^2+16c+64))/(12sqrt3)`

B

`Delta=((c^2+16c+64))/(8sqrt3)`

C

`Delta=((c^2+16c+64))/(4sqrt3)`

D

none of these

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A
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PATHFINDER-SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE-QUESTION BANK
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  3. If Delta be the area of a triangle ABC and length of its two sides are...

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  7. If lambda be the perimeter of the DeltaABC. then bcos^2(c/2)+c cos^2(B...

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  8. If the area of a triangle ABC is given by Delta=a^2-(b-c)^2then tan(A...

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  9. If in a DeltaABC, cosA+2cosB+cosC=2,then a,b,c are in

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  10. If D is the mid point of side BC of a triangle ABCand AD is perpendicu...

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  12. If a,b,c,d be the sides of a quadrilateral and g(x)=f[f{f(x)}], where ...

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  13. In aDeltaABC,sinA/sinC=sin(A-B)/sin(B-C)then

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  14. Let a,b,c be the sides of triangle whose perimeter is p and area is A,...

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  15. If in a DeltaABC, CD is the angle bisector of the angleABC, then CD is...

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  17. If A+B =pi/3 and cosA+cosB=1, then which of the following is/are true

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  18. When any two sides and one of the opposite acute are given, under cert...

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  19. When any two sides and one of the opposite acute are given, under cert...

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