Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...
Other 3D shapes with least one curved surface are not polyhedra ... When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism ...
Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...
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