$\"\"$

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The sides of the triangles are $\"\"$ and the angle of the triangle is $\"\"$ .

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Find the remaining side of the triangle by using Law of Cosines

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Law of Cosines: $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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Find the remaining two angles of the triangle.

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Law of Sines: $\"\"$ .

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Consider $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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Sum of the three angles in a triangle is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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