$\"\"$

\

Area of the traingle is $\"\"$ .

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Side of triangle is $\"\"$ .

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Angles of the triangle are $\"\"$ .

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Law of sines: $\"\"$ .

\

$\"\"$

\

Substitute $\"\"$ in the area of the triangle.

\

$\"\"$

\

Therefore area of the triangle is $\"\"$ .

\

$\"\"$

\

Area of the triangle is $\"\"$ .