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If, in DeltaABC, a = sqrt(2), b = sqrt(3...

If, in `DeltaABC, a = sqrt(2), b = sqrt(3), c = sqrt(5)`, then the area of `Delta ABC` is

A

`1/2sqrt(6)`

B

`1/2sqrt(9)`

C

`1/2sqrt(7)`

D

none of these

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The correct Answer is:
A
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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - A : BUILDING-UP THE BASE
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  2. If Delta ABC, a = 18, b = 24, c = 30 then the area of the triangle i...

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  3. If, in DeltaABC, a = sqrt(2), b = sqrt(3), c = sqrt(5), then the area ...

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  4. If the area of an acute-angled triangle is 75 m^(2) and two of its sid...

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  5. If, DeltaABC, B = 90^(@), C = 60^(@), b=1 find a and c

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  6. In triangle ABC,a= 5,b=7 and sin A =3/4 how many such triangle are pos...

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  7. In a DeltaABC, if A=45^(@) and B=75^(@), then a+sqrt(2)c=

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  8. If in DeltaABC,(cosA)/(a)=(cosB)/(b)=(cosC)/(c) and side a=2, then th...

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  9. If in DeltaABC , a = 4,b=3, A = 60^(@) then c is a root of the equati...

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  10. If in a triangle ABC, 3sinA=6sinB=2sqrt3sinC then the value of /A=

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  11. A circle is inscribed in an equilateral triangle of side a. The area o...

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  12. If, in Delta ABC, angle A,B,C are in A.P. And b : c = sqrt(3) : sqrt(2...

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  13. If, in Delta ABC, a = 2b and A = 3B, then A :

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  14. If Delta ABC, is right angled at C, then: 4s (s - a)(s - b)(s-c) = ....

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  15. If sin (A + B + C) = 1, tan (A - B) = 1//sqrt(3) and "sec" (A + C) = 2...

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  16. If H is the orthocentre of the Delta ABC, then find AH.

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  17. If the side of a right-angled triangled are in A.P., then tangents of ...

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  18. If, in Delta ABC, a = 13 cm, b = 13cm, c = 5 cm, then cosC is

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  19. In the Delta ABCA gt B. If the measures of A and B satisfy the equatio...

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  20. In Delta ABC , a= 6 ,b=3 and cos (A-B) = 4/5 .Then are of triangle i...

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