A triangle is displayed with approximate shading in Figure 10.9(b). Suggest a way to improve the accuracy of the shape. Each collection that follows represents the vertices (using the traditional...

A triangle is displayed with approximate shading in Figure 10.9(b). Suggest a way to improve the accuracy of the shape. Each collection that follows represents the vertices (using the traditional rectangular coordinate system) of a patch in a polygonal mesh. Describe the shape of the mesh.