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Consider a triangle ABC lIke the one below. Suppose that B=97°, C=41°, and a = 55. (The figure Is not drawn to scale.) Solve the triangle.Round your answers to the nearest tenth.If there is more than one solution, use the button labeled "or"

Consider a triangle ABC lIke the one below. Suppose that B=97°, C=41°, and a = 55. (The-example-1
User Vrintle
by
8.7k points

1 Answer

6 votes

Solution

Explanation:

Cosine Law

a² = b²+c²-2bc cos A

b² = c²+a² -2ca cos B

Sum of three angles of a triangle is 180°.

B = 97 ; C= 41; A = x


\begin{gathered} A+B+C=180 \\ A+97+41=180 \\ A+138=180 \\ A=180-138 \\ A=42^0 \end{gathered}

User Aj Gu
by
8.7k points

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