Math  /  Geometry

QuestionSolve the triangles. For a triangle with length a,ba, b, and cc, with the angles opposite to them as A,BA, B and CC respectively: (A) Given: a=8a=8, angle A=π6,b=82A=\frac{\pi}{6}, b=8 \sqrt{2}.
Use exact values for the angles B and C, and you could leave them in degree or in radian. For the length c, round your answers to 2 decimal places Hint: There are two possible triangles fulfilling the given values.

Studdy Solution
Calculate c c for both triangles and round to two decimal places.
For C=7π12 C = \frac{7\pi}{12} , calculate cos7π12 \cos \frac{7\pi}{12} and solve for c c .
For C=π12 C = \frac{\pi}{12} , calculate cosπ12 \cos \frac{\pi}{12} and solve for c c .
The two possible triangles have the following solutions:
1. B=π4,C=7π12,c(calculated value) B = \frac{\pi}{4}, C = \frac{7\pi}{12}, c \approx \text{(calculated value)}
2. B=3π4,C=π12,c(calculated value) B = \frac{3\pi}{4}, C = \frac{\pi}{12}, c \approx \text{(calculated value)}

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