$\"\"$

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In triangle $\"\"$ , $\"\"$ , $\"\"$ , and $\"\"$ .

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Find the angle $\"\"$ by using the law of sines.

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Law of sines : $\"\"$ .

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Consider $\"\"$ .

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Substitute the values $\"\"$ , $\"\"$ , and $\"\"$ in above equation.

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$\"\"$

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$\"\"$

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Find the angle $\"\"$ .

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The sum of three angles in any triangle is $\"\"$ .

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$\"\"$

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$\"\"$

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Find the value of $\"\"$ by using the law of sines.

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Consider $\"\"$ .

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Substitute the values $\"\"$ , $\"\"$ , and $\"\"$ in above equation.

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$\"\"$

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$\"\"$

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