Find the Missing Parts of the Triangle $\mathrm { B } = 29 ^ { \circ } , \mathrm { C } = 131 ^ { \circ } , \mathrm { c } = 78 \mathrm {~km}$

question 42

Multiple Choice

Find the missing parts of the triangle.
-A = 20° a = 35 km
B = 50 km
If necessary, round angles to the nearest whole number and side lengths to the nearest km.

• A) \(\mathrm { B } = 29 ^ { \circ } , \mathrm { C } = 131 ^ { \circ } , \mathrm { c } = 78 \mathrm {~km}\)
• B) no such triangle
• C) \(\mathrm { B } _ { 1 } = 29 ^ { \circ } , \mathrm { C } _ { 1 } = 131 ^ { \circ } , \mathrm { c } _ { 1 } = 78 \mathrm {~km}\)
• D) \(\mathrm { B } _ { 1 } = 131 ^ { \circ } , \mathrm { C } _ { 1 } = 29 ^ { \circ } , \mathrm { c } _ { 1 } = 78 \mathrm {~km}\)
• \(\mathrm { B } _ { 2 } = 151 ^ { \circ } , \mathrm { C } _ { 2 } = 9 ^ { \circ } , \mathrm { c } _ { 2 } = 16 \mathrm {~km}\)
• \(\mathrm { B } _ { 2 } = 9 ^ { \circ } , \mathrm { C } _ { 2 } = 151 ^ { \circ } , \mathrm { c } _ { 2 } = 16 \mathrm {~km}\)

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