01. Luminária em forma de tetraedro truncado

Luminária em forma de tetraedro truncado
(ENEM) As luminárias para um laboratório de matemática serão fabricadas em forma de sólidos geométricos. Uma delas terá a forma de um tetraedro truncado. Esse sólido é gerado a partir de secções paralelas a cada uma das faces de um tetraedro regular. Para essa luminária, as secções serão feitas de maneira que, em cada corte, um terço das arestas seccionadas serão removidas. Uma dessas secções está indicada na figura.[br][img 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GKQabtcPEx42c08iCqSDLBL3ao8f2cn1ZmDn5SdW/FfRlH41hEVTEY5Rpu1w0cx42e08iEFUUb2kfakm82Fvxd7P8VvBlgl7tUeP7OQCzZmDp0kHNvxC5e0msTGe8mhb8OICfkCgkoGZWtb90AfkF7WVyVmIRxkNcbvd4Y2gukd6MGpQdS5qzEIorBzvad4WNBc9x6NaNSuijwSuqNX/AKnEfR1QR/wj+ZVnwfs9TU2sbPbPikec8rvV51QVejwiuqNSO5xHmbOncPJvhj+Nz5KyYL2fpacl0bc0h8Urznkd6uO3oNFu7RPe2knLI3SuET7MaSHOOU6AjUE+WqqvYumcyuJbHkjfTC5ZTywRGUPGh4hJc8NPiOqC+WWURAREQEREBERAREQEREBaqmnZIxzHtDmvBDmnUFp3BC2og+aYnh78PfYkvo3mzHnUwOO0ch+5sA74FdKvtTA2RjmPaHteCC1wuCDyIXznE8OfhzwCS+jebMkOroHHZkh+5yDuWxQdJKiOyo/Vg73kkr/g6RxHysu/EJcsMj/uscfyaSufs/FlpIG9ImfmWgn96CQRaKusjibmke1g6uNrnoOp9Fiipa6q/sIuBGftqhpBI6xxDU+rrBB6qqqONuaR7WNHNxA/+rxQwVtV/d4uFGft6hrm3HVkXid6mw9VZsH7GU0LhI/NUzD7Wazi0/gbbKweg+KsgQVrB+xdNE8Syl1VM3aSaxDT+Bg9lnwF/NWWyyiAiIgIiICIiAiIgIiII/GsJiqYjFINDqHDRzHjZzTyIXzPG+8Q1FPBOx8hZKXNkjYXCZjWOtYDZ4JAI+K+uLzlQUajwKtqNZD3OM/VFnzuHmfDH8yrPg+A01MPoowHHd7vakcernnUqURAsiIgwQgCyiAiIgIiICIiAiIgIiICIiAiIgLVU07JGuY9oe14ILSLgtO4IW1EHyLtvhU1DTzMaHyUszHMjcLufA5+nDdzLNdHfAqRwzD66oa0Qx91iAA4049ogAeCHf4ut6L6W4XWQgruC9j6WBwkcHVE3vZjmcD+AeFg9AFYbLKICIiAiIgIiICIiAiIgIiICIiAiIgIiICIiAiIgIiICIiAiIgIiICIiAiIgIiICIiAiIgIiICIiAiIgIiICIiD/9k=[/img][br]Essa luminária terá por faces
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Information: 01. Luminária em forma de tetraedro truncado