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"Dose" is a measured portion of a medicine. I am not aware of any triangulars that have measured quantities of medication! Besides, the question does not state whether the question refers to a triangular pyramid, a triangular prism, icosahedron (20 triangular faced), or other polyhedron.
A rectangle has 4 faces: 2 long faces and 2 short faces.
10 faces 10 faces
no faces
A trapezoid is a quadrilateral and has four faces.
A hexahedron has 6 faces.
Twelve faces.
it has six faces
6 faces
3 faces
20 faces