평행사변형,parallelogram Edit Diff Refresh Backlink Random Search History Help Setting Hide Show 기하학,geometry?action=highlight&value=Parallelogram MKL 외적,outer_product 벡터곱,vector_product,cross_product Cmp 평행육면체,parallelepiped Twin: 평행사변형 평행사변형 parallelogram#Noun Parallelogram ... 평행사변형 parallelogram Up: 기하학,geometry shapes/figures > 사각형,quadrilateral > 볼록사각형,convex_quadrilateral