Milliylik-millat ko'zgusi
APOFEMA (Yunoncha apotithemi — bir tomonga qo’yaman) — 1) muntazam ko’pburchak Apofemasi — muntazam ko’pburchak markazidan biror tomoniga tushirilgan perpendikulyar chiziq uzunligi; 2) muntazam piramida Apofemasi — muntazam piramida yon uchburchagining balandligi; 3) muntazam kesik piramida Apofemasi — muntazam kesik piramidaning yon yog’i bo’lmish trapetsiya balandligining uzunligi.