Tse ka Hare
Khatisong ena, re tla nahana ka litšobotsi tse ka sehloohong tsa piramite (mabapi le mahlakoreng a mahlakoreng, lifahleho, tse ngotsoeng le tse hlalositsoeng botlaaseng ba selikalikoe), re tsamaee le tsona ka litšoantšo tse bonahalang bakeng sa pono e ntle ea boitsebiso bo fanoeng.
Hlokomela: re hlahlobile tlhaloso ea piramite, likarolo tsa eona tsa mantlha le mefuta e fapaneng, ka hona re ke ke ra lula ho tsona ka botlalo mona.
lintho tsa piramide
Phiramide e nang le likhopo tse mahlakoreng a lekanang
Thepa 1
Li-angles tsohle pakeng tsa mahlakore a mahlakoreng le motheo oa piramite lia lekana.
∠EAC = ∠ECA = ∠EBD = ∠EDB = a
Thepa 2
Selika-likoe se ka hlalosoa ho pota-pota botlaaseng ba piramite, eo bohareng ba eona bo tla lumellana le ponahalo ea holimo holim'a motheo oa eona.
- Point F – khakanyo ea vertex E motheong ABCD; hape ke setsi sa motheo ona.
- R ke radius ea selikalikoe se selikalikoe.
Lifahleho tse mahlakoreng tsa piramite li sekametse setsing ka lehlakoreng le le leng.
Thepa 3
Selika-likoe se ka ngoloa botlaaseng ba piramite, bohareng ba eona bo tsamaellanang le ponahalo ea vertex holim'a motheo oa setšoantšo.
Thepa 4
Bophahamo bohle ba lifahleho tse lehlakoreng tsa piramite li lekana.
EL = EM = EN = EK
Hlokomela: bakeng sa thepa e thathamisitsoeng ka holimo, litlhahlobo tse fapaneng le tsona ke 'nete. Ka mohlala, bakeng sa Thepa ea 1: haeba li-angles tsohle pakeng tsa mahlakoreng a mahlakoreng le sefofane sa setsi sa piramite se lekana, joale metse ena e na le bolelele bo lekanang.