A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...
Recent revelations about the drug dealing hotspot in Chonpara, in the aftermath of the murder of BUET student Fardin Noor Parash and the killing of a DGFI official during a drug bust, have once again ...
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