1.

In a \[\Delta ABC,\]if \[a=2x,\]\[b=2y\]and \[\angle C=120{}^\circ \], then the area of the triangle is [MP PET 1986, 2002]

A. \[xy\]
B. \[xy\sqrt{3}\]
C. \[3xy\]
D. \[2xy\]
Answer» C. \[3xy\]


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