Extremes areas of triangles in Poncelet's closure theorem - Mirko Radic Among the triangles with the same incircle and circumcircle, we determine the ones with maximum and miniumum areas. These are also the ones with maximum and minimum perimeters and sums of altitudes. ✪ ✪ ✪ ✪ ✪ Link tải tài liệu: LINK TẢI TÀI LIỆU Theo LTTK Education