Properties of valtitudes and vaxes of a convex quadrilateral - Maria Flavia Mammana, Biagio Micale, and Mario Pennisi We introduce the vaxes relative to a v-parallelogram and determine several properties of valtitudes and of vaxes. In particular, we study the quadrilateral detected by the valtitudes and the one detected by the vaxes. ✪ ✪ ✪ ✪ ✪ Link tải tài liệu: LINK TẢI TÀI LIỆU Theo LTTK Education