Polyhedral compounds

Compound of five truncated cubes

This uniform polyhedron compound is a composition of 5 truncated cubes, formed by truncating each of the cubes in the compound of 5 cubes. (Wikipedia).

Compound of five truncated cubes
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How to construct a Tetrahedron

How the greeks constructed the first platonic solid: the regular tetrahedron. Source: Euclids Elements Book 13, Proposition 13. In geometry, a tetrahedron also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners. Th

From playlist Platonic Solids

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Three space-filling shapes hiding in the structure of diamond

Diamond is an arrangement of carbon atoms called the diamond cubic structure. As well as the cubes there are two other space-filling shapes that are found within it. In the unit cell I say "three more inside". It should of course be "four more inside". https://en.wikipedia.org/wiki/Diamo

From playlist Geometry

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How to Construct a Dodecahedron

How the greeks constructed the Dodecahedron. Euclids Elements Book 13, Proposition 17. In geometry, a dodecahedron is any polyhedron with twelve flat faces. The most familiar dodecahedron is the regular dodecahedron with regular pentagons as faces, which is a Platonic solid. A regular dode

From playlist Platonic Solids

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Regular polyhedra

This shows a 3d print of a mathematical sculpture I produced using shapeways.com. This model is available at http://shpws.me/q0PF.

From playlist 3D printing

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How to construct an Octahedron

How the greeks constructed the 2nd platonic solid: the regular octahedron Source: Euclids Elements Book 13, Proposition 14. In geometry, an octahedron is a polyhedron with eight faces, twelve edges, and six vertices. The term is most commonly used to refer to the regular octahedron, a Plat

From playlist Platonic Solids

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Polygonal Numbers - Geometric Approach & Fermat's Polygonal Number Theorem

I created this video with the YouTube Video Editor (http://www.youtube.com/editor)

From playlist ℕumber Theory

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Identifying Geometric Solids

u07_l3_t1_we1 Identifying Geometric Solids

From playlist Developmental Math

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All of Number in Less Than 1 Hour!! Foundation & Higher Grades 4-9 Maths Revision | GCSE Maths Tutor

A video revising the techniques and strategies for all of the foundation & higher only Number topics that you need to achieve a grade 4-9 in your GCSE maths. These topics are the essential ‘crossover’ and ‘higher only’ topics that appear on both the foundation & then higher only GCSE pape

From playlist Ultimate GCSE Maths Revision Series | GCSE Maths Tutor

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Edexcel Paper 1 Foundation Predicted Maths GCSE (May 2022) Calculator 1MA1-1F (45 Min Paper A)

Do this paper online for free: https://www.onmaths.com/mock_exams/45-minute-paper-a-edexcel-2022-may-paper-1-foundation-prediction/ This is the OnMaths.com predicted paper for May 2022 Edexcel Maths GCSE Foundation Paper 1. The topics within it come from the topics that come up the most

From playlist 2022 Predicted Papers

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Every Topic on the Paper 3 GCSE Maths Exam June 2023 | Foundation | Set 2 | Edexcel, AQA, OCR

Join this channel to get access to perks: https://www.youtube.com/channel/UCStPzCGyt5tlwdpDXffobxA/join A video revising the techniques and strategies for all of the fundamental topics on the June 2023 Maths Exam - Paper 3 Foundation 💡 Higher and Foundation Revision Checklist 💡 https:/

From playlist Edexcel 2023 GCSE Maths Exam Revision

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Using a set of points determine if the figure is a parallelogram using the midpoint formula

👉 Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of quadrilateral has its properties. Given four points that repr

From playlist Quadrilaterals on a Coordinate Plane

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Every Topic on the Paper 3 GCSE Maths Exam June 2023 | Higher | Set 2 | Edexcel, AQA, OCR

Join this channel to get access to perks: https://www.youtube.com/channel/UCStPzCGyt5tlwdpDXffobxA/join A video revising the techniques and strategies for all of the fundamental topics on the June 2023 Maths Exam - Paper 3 Higher 💡 Higher and Foundation Revision Checklist 💡 https://theg

From playlist Edexcel 2023 GCSE Maths Exam Revision

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Excel Finance Class 28: Relationship Between APR, Period Rate and Effective Annual Rate

Download Excel File: https://people.highline.edu/mgirvin/YouTubeExcelIsFun/Busn233Ch05.xlsx Download pdf notes: https://people.highline.edu/mgirvin/YouTubeExcelIsFun/Ch05Busn233.pdf Download deductive proof pdf: https://people.highline.edu/mgirvin/YouTubeExcelIsFun/DeductiveProofAnnuityFor

From playlist Excel Finance Free Course at YouTube. Cash Flow Analysis and Model Building (110 Videos).

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EDEXCEL GCSE Maths. November 2018. Paper 2. Higher. Calculator. 2H.

GCSE past paper for the (9-1) specification. I use the 'CLASSWIZ' calculator for all my videos, as it prepares you extremely well for exams beyond GCSE too. Very easy to use, in my opinion! https://amzn.to/2V3Ef31 Pearson Education accepts no responsibility whatsoever for the accuracy o

From playlist NEW SPEC (9-1) GCSE PAST PAPERS

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How people came up with the natural logarithm and the exponential function #SoME1

I discuss the history of the introduction of the natural logarithm and exponential functions, answering the question of how the logarithm was first discovered and how it's properties were derived, and also why it appeared when it did. I consider several other areas of inquiry that could ha

From playlist Math

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Geometry - Basic Terminology (11 of 34) Definition of Polygons and Convex Polygons

Visit http://ilectureonline.com for more math and science lectures! In this video I will define what are polygons and convex polygons. Next video in the Basic Terminology series can be seen at: http://youtu.be/N3wvmbsaFwQ

From playlist GEOMETRY 1 - BASIC TERMINOLOGY

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May 2022 Predicted Maths GCSE Paper 1 Edexcel (Foundation Paper 1) Non Calculator Exam 1MA1-1F

Do this paper online for free: https://www.onmaths.com/mock_exams/edexcel-2022-paper-1-foundation-prediction/ This is the OnMaths.com predicted paper for May 2022 Edexcel Maths GCSE Foundation Paper 1. The topics within it come from the topics that come up the most on Edexcel papers. Thi

From playlist 2022 Predicted Papers

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OCR Paper 1 Foundation Predicted Maths GCSE (May 2022) Calculator J560/01 (45 Min Paper A)

Do this paper online for free: https://www.onmaths.com/mock_exams/45-minute-paper-a-ocr-2022-may-paper-1-foundation-prediction/ This is the OnMaths.com predicted paper for May 2022 OCR Maths GCSE Foundation Paper 1. The topics within it come from the topics that come up the most on OCR p

From playlist 2022 Predicted Papers

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How to Construct an Icosahedron

How the greeks constructed the icosahedron. Source: Euclids Elements Book 13, Proposition 16. In geometry, a regular icosahedron is a convex polyhedron with 20 faces, 30 edges and 12 vertices. It is one of the five Platonic solids, and the one with the most faces. https://www.etsy.com/lis

From playlist Platonic Solids

Related pages

Compound of five cubes | Icosahedral symmetry | Subgroup | Symmetry group | Uniform polyhedron compound | Truncated cube | Golden ratio | Tetrahedral symmetry