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If, in Delta ABC, a = 2x, b = 2y and C =...

If, in `Delta ABC, a = 2x, b = 2y` and `C = 120^(@)` then the area of the triangle is

A

`xy`

B

`sqrt(3) cdot xy`

C

`3xy`

D

`2xy`

Text Solution

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The correct Answer is:
B
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MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MULTIPLE CHOICE QUESTIONS - PART - A : BUILDING-UP THE BASE
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  2. If the altitudes of a Delta are in A.P., then its sdies are in

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  3. If, in Delta ABC, a = 2x, b = 2y and C = 120^(@) then the area of the ...

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  11. If 0ltxltpiand x ne(pi)/(2) , " then:" tan^(-1) (tanx)=...

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  12. Principal value of sin^(-1)[sin((5pi)/(6))] is

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  13. Principal value of cos^(-1)[cos((4pi)/(3))] is

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  14. Principal value of cos^(-1)[cos((7pi)/(6))] is

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