Web平均数mean 算术平均数arithmatic mean 几何平均数geometric mean n个数之积的n次方根 倒数（reciprocal） x的倒数为1/x ... 九面体 enneahedron 十面体 decahedron 十一面体 hendecahedron 十二面体 dodecahedron 二十面体 icosahedron 多面体 polyhedron 旋转 … Webenneahedron in British English. (ˌɛnɪəˈhiːdrən ) noun Word forms: plural -drons or -dra (-drə ) a solid figure having nine plane faces. See also polyhedron. Collins English Dictionary. Copyright © HarperCollins Publishers.
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WebWhat shape has 6 vertices, 9 edges and 5 faces? In geometry, an enneahedron (or nonahedron) is a polyhedron with nine faces. There are 2606 types of convex enneahedron, each having a different pattern of WebDefine enneahedron. enneahedron synonyms, enneahedron pronunciation, enneahedron translation, English dictionary definition of enneahedron. n , pl -drons or -dra a solid figure having nine plane faces. See also polyhedron ˌenneaˈhedral adj Collins English Dictionary – Complete and Unabridged,...
Webpolyhedron. ( ˌpɒlɪˈhiːdrən) n, pl -drons or -dra ( -drə) (Mathematics) a solid figure consisting of four or more plane faces (all polygons), pairs of which meet along an edge, three or more edges meeting at a vertex. In a regular polyhedron all the faces are identical regular polygons making equal angles with each other. Webenneahedron n pl , -drons, -dra a solid figure having nine plane faces See also → polyhedron ♦
Webenneahedron popularity. A common word. It’s meaning is known to most children of preschool age. About 85% of English native speakers know the meaning and use the word. This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title. In geometry, an enneahedron (or nonahedron) is a polyhedron with nine faces. There are 2606 types of convex enneahedron, each having a different pattern of vertex, edge, and face connections. None of them are regular. See more The most familiar enneahedra are the octagonal pyramid and the heptagonal prism. The heptagonal prism is a uniform polyhedron, with two regular heptagon faces and seven square faces. The octagonal pyramid … See more Slicing a rhombic dodecahedron in half through the long diagonals of four of its faces results in a self-dual enneahedron, the square See more • Enumeration of Polyhedra by Steven Dutch • Weisstein, Eric W. "Nonahedron". MathWorld. See more There are 2606 topologically distinct convex enneahedra, excluding mirror images. These can be divided into subsets of 8, 74, 296, 633, 768, 558, 219, 50, with 7 to 14 vertices … See more
In geometry, an enneahedron (or nonahedron) is a polyhedron with nine faces. There are 2606 types of convex enneahedron, each having a different pattern of vertex, edge, and face connections. None of them are regular.
WebIn geometry, a enneahedron (or nonahedron) is a polyhedron with nine faces. There are 2606 topologically distinct enneahedra and none are regular, so this name is ambiguous. ctcyegWeb数学英语词汇大全数学英语词汇数学 mathematics, mathsBrE, mathAmE 公理 axiom 定理 theorem 计算 calculation 运算 operation 证明 prove 假设 hypothesis, earth apothecaryWebApr 10, 2024 · 垂线有哪些特征. 垂线 (perpendicular line)是两条直线的两个特殊位置关系,：当两条直线相交所成的四个角中，有一个角是直角时，即两条直线互相垂直 (perpendicular)，其中一条直线叫做另一直线的垂线，交点叫垂足 (foot of a perpendicular)。. 垂线段最短。. 从直线外一点 ... eartha potteryWeben•ne•a•he•dron (en′ē ə hē′ drən), n., pl. -dra (-drə). Mathematics a solid figure having nine faces. ennea - + - hedron. en′ne•a•he′dral, adj. 'enneahedron' also found in these entries (note: many are not synonyms or translations): ennea-. Forum discussions with the word (s) "enneahedron" in the title: No titles with ... earthapples.comWebenneahedron n pl , -drons, -dra a solid figure having nine plane faces See also → polyhedron ♦ enneahedral adj English Collins Dictionary - English Definition & Thesaurus Add your entry in the Collaborative Dictionary. Suggest or Ask for translation/definition ctc yorkWebennea (ἐννέα), meaning nine hedron (a form of ἕδρα ), meaning base or seat . The technically correct plural of enneahedron is enneahedra , but the word enneahedrons can often be found. ctc youth parkWebennea-. a combining form meaning “nine”: enneahedron. [< Greek, comb. form of ennéa nine] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved. earth apothecary hand soap