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definition of solid shapes
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From Yahoo Answers
Question:hi my son has a test tomorrow and has forgotten his book for revision!!! He is in p5 (9years) old and the test is on pyramids and prisms. He needs to know how many faces vertices and edges each f the following have:
pyramid  triangle based, square based, pentagon based and hexagon based
prisms  triangular, square, pentagonal and hexagonal
can anyone help point me to a website or just tell me the answers. i think i know but am afraid in case i teach him the wrong thing :(
Thanks in advance
xoxoxoxooxo
Answers:Maybe??? http://www.enchantedlearning.com/math/geometry/solids/
Answers:Maybe??? http://www.enchantedlearning.com/math/geometry/solids/
Question:Please guys i really need this answer before monday
Answers:They are the same
Answers:They are the same
Question:
Answers:If it is a solid shape, how do you know that there are only "2 faces?" A sphere has 1 face, A tetrahedron (pyramid with a triangular base) has 4 faces, A cube has 6 faces, Then we have: Octahedrons, Dodecahedrons, Icosahedrons, etc. ad nausium. The only REGULAR 2 faced solids I can think of are hemispheres (or spheroids with some portion of their shape sliced cleanly off) and cones. Depending on the angle of the slice, this leaves us with only circles and ellipses for plane shapes. If it is an IRREGULAR 2 faced solid you will end up with some type of CLOSED CURVE. (Circles and ellipses are also closed curves.) {If you include two infinite cones placed nosetonose on the same central line and make a slice (this might not satisfy your definition of a 2 faced solid,) you also have parabolas and hyperbolas.}
Answers:If it is a solid shape, how do you know that there are only "2 faces?" A sphere has 1 face, A tetrahedron (pyramid with a triangular base) has 4 faces, A cube has 6 faces, Then we have: Octahedrons, Dodecahedrons, Icosahedrons, etc. ad nausium. The only REGULAR 2 faced solids I can think of are hemispheres (or spheroids with some portion of their shape sliced cleanly off) and cones. Depending on the angle of the slice, this leaves us with only circles and ellipses for plane shapes. If it is an IRREGULAR 2 faced solid you will end up with some type of CLOSED CURVE. (Circles and ellipses are also closed curves.) {If you include two infinite cones placed nosetonose on the same central line and make a slice (this might not satisfy your definition of a 2 faced solid,) you also have parabolas and hyperbolas.}
Question:
Answers:Its called a tetrahedron. One of the platonic solids. Tetra = 4 sided. Since in 3 dimensional space it is 4 triangles glued together at the edges (think triangle based pyramid) Cheers!
Answers:Its called a tetrahedron. One of the platonic solids. Tetra = 4 sided. Since in 3 dimensional space it is 4 triangles glued together at the edges (think triangle based pyramid) Cheers!
From Youtube
Solid Shapes :Math
04 Nets for solid shapes :CBSE Mathematics, Class VII, Chapter 15 Visualising Solid Shapes This video discusses about the concept of a net ( a 2dimensional representation of 3dimensional solid shapes ) . Examples of nets for common solid shapes observed in day to day lives are also discussed