Angles of an oblique triangle
Geometry
Level
1
The side lengths of an oblique triangle are 9, 8, and 10. What are the angles of the triangle?
34.18, 55.22, 17.44
23.44, 144.33, 8.88
123.33, 33.23, 77.11
71.79, 58.75, 49.45
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The summation 3 angles has to be 180,and only the 1st one gives such result