$\"\"$

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The angle $\"\"$ and the sides are $\"\"$ .

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Laws of Sines : $\"\"$ .

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This is also written as: $\"\"$ .

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Consider $\"\"$ .

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Substitute the values $\"\"$ , and $\"\"$ .

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$\"\"$

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$\"\"$

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Since $\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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Find $\"\"$ .

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$\"\"$

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Since $\"\"$

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$\"\"$ .

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In any triangle sum of three angles is $\"\"$ .

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$\"\"$ .

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Find $\"\"$ .

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The third angle of the triangle $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$

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Find $\"\"$ .

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Consider $\"\"$ .

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Substitute $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ , $\"\"$ and $\"\"$ .