pentagon 88A pentagon is a closed two-dimensional polygon with 5 sides and 5 angles. Based on the properties, a pentagon can be classified into different types. They are: Regular Pentagon: Apentagon 88. pentagon88 pentagon: rudal hipersonik rusia 'bikin ngeri' hening news jumat 22 goyah terputus-putus densus tanggap standar. pentagon88 berkelompok