6.The diagram above shows a pyramid with four equal triangular faces.Each edge is 4 cm long.Below is one of the faces.(a) What is the special name given to this kind of triangle?(b) What is the size of each angle of this triangle?(c) Construct an accurate net for the pyramid.One...
结果1 题目 A right square pyramid with equilateral triangular faces is shown in the figure below. The slantheight ofthe pyramid s 33 inches. Whati the totallength,in inches,of all edges of the pyramid?A)21B)12C)24D)48E)36 相关知识点: 试题来源: 解析 反馈 收藏 ...
A pyramid has 27 faces, how many vertice(s) does this pyramid have?有一个锥体有27个面,问这个锥体有多
假如一个立体四角锥有4个顶点和4个面,该四角锥有多少条边 [*] 解答这道题的关键是对solid pyramid的理解。根据题中对solidpyramid的描述可知,所谓solid pyramid就是立体几何中常见的四面体.如下图所示。四面体有四个面,四个顶点,六条边。 [*] 注:Solid n.固体,立体(几何);Pyramid n.锥体(四角锥);Vertic...
A pyramid has a square base with side of length 1 and has lateral faces that are equilateral triangles. A cube is placed within the pyramid so that one face is on the base of the pyramid and its opposite face has all its edges on the lateral faces of the pyramid. What is the volume...
A pyramid has four triangu1ar faces and a square base. All the edges of the pyramid are the same 1ength, s cm. Show that the total surface area of the pyramid is (√3+1)s^2 cm2. 相关知识点: 试题来源: 解析 Area of triang1e =12* s * s* sin60^( ° )=(√3)4 s^2...
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What shape has 12 edges, 8 vertices, and 6 faces? A plane intersects a regular triangular pyramid. The plane is parallel to one of the faces of the pyramid. What type of polygon is formed at the intersection? What shape can you make with a square and a triangle?
outer walls are triangular (三角的).It 42(usual) has four or five faces. A pyramid's design, with A pyramid is a building 41.most of the weight closer 43.the ground, means that less material higher up on the pyramid will be pushing down from above. It 44.(allow) people that ...
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