Asolid has faces that consist of 4 triangles, 3 rectangles, and 1 hexagon. the solid has 9 vertices. how many edges does the solid have? . a.. 12 edges. b.. 15 edges. c.. 18 edges. d.. 21 edges.

The number of edges that the solid that has faces that consist of 4 triangles, 3 rectangles, and 1 hexagon and has 9 vertices is 12 EDGES. The 3 triangles are put inside the reactangle and rectangle is put inside the hexagon. It it show in the attached docuemnt

Drawing this solid may be hard. Basing on the given description, a solid with nine vertices and having faces consisting of four triangles, three rectangles and one hexagon (polygon with six sides) would have a number of edges around twelve edges. Hence, letter A. 

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