In geometry, the great rhombihexahedron (or great rhombicube) is a nonconvex uniform polyhedron, indexed as U21. It has 18 faces (12 squares and 6 octagrams), 48 edges, and 24 vertices. Its dual is the great rhombihexacron. Its vertex figure is a crossed quadrilateral. (Wikipedia).
Using the pythagorean theorem to a rhombus
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of opposite angles are equal, the diagonals bisect each other,
From playlist Properties of Rhombuses
Applying the properties of a rhombus to determine the length of a diagonal
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of opposite angles are equal, the diagonals bisect each other,
From playlist Properties of Rhombuses
What are the properties that make up a rhombus
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of opposite angles are equal, the diagonals bisect each other,
From playlist Properties of Rhombuses
Using the properties of a rhombus to determine the missing value
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of opposite angles are equal, the diagonals bisect each other,
From playlist Properties of Rhombuses
Using the properties of a rhombus to determine the side of a rhombus
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of opposite angles are equal, the diagonals bisect each other,
From playlist Properties of Rhombuses
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
Geometric proof - properties of a rhombus (GCSE mathematics)
Proving the properties of a rhombus such as the diagonals bisect, they are perpendicular and the area is half the product of the diagonals. Support the channel: https://www.youtube.com/channel/UCf89Gd0FuNUdWv8FlSS7lqQ/join
From playlist Geometry Revision
How to construct a Regular Hexahedron (Cube)
How the greeks constructed the 3rd platonic solid: the regular hexahedron Source: Euclids Elements Book 13, Proposition 15 https://www.etsy.com/listing/1037552189/wooden-large-platonic-solids-geometry
From playlist Platonic Solids
Geometry: Ch 4 - Geometric Figures (5 of 18) The Rhombus
Visit http://ilectureonline.com for more math and science lectures! In this video I will define the rhombus, and explain the equations of its parameter and area. Next video in this series can be seen at: https://youtu.be/W9gVgwAoLms
From playlist GEOMETRY 4 - GEOMETRIC FIGURES
Alexander the Great: Crash Course World History #8
In which you are introduced to the life and accomplishments of Alexander the Great, his empire, his horse Bucephalus, the empires that came after him, and the idea of Greatness. Is greatness a question of accomplishment, of impact, or are people great because the rest of us decide they're
From playlist World History
Nostradamus' First 100 Predictions // 16th Century Primary Source
This is the first 'century' of 16th century seer Nostradamus' prophecies, unedited and without commentary. If this channel is something you like, if you think saving primary sources is important, head over to the patreon and join up! https://patreon.com/voicesofthepast — Don’t forget to
From playlist Curiosities
Cyrus the Great establishes the Achaemenid Empire | World History | Khan Academy
Cyrus the Great overthrows the Medians to establish the Achaemenid Empire (Persian Empire). Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/world-history/ancient-medieval/ancient-persia/e/key-concepts--the-achaemenid-empire Watch the next lesson:
From playlist 600 BCE - 600 CE Second-Wave Civilizations | AP World History | Khan Academy
10 Facts to Remember about the Great Wall of China
https://memorycourse.brainathlete.com/memorytips Check out my memory course at the link above and get a free gift. I recently visited the Great Wall of China. It was a lifelong goal of mine to see and was fascinating to walk up and down it. There is some rich history of the Great Wall o
From playlist Things to Remember About History
Professor Monteiro's main research interests are in International Relations theory and security studies. We talk with him about his forthcoming book that addresses three questions related to the topic of unipolarity: Is it peaceful? Is it durable? And, how does it impact deterrence?
From playlist The MacMillan Report
What made empires successful? | The Rise of The Great Powers | Documentary movie
Empires are built out of separate units with some kind of diversity – ethnic, national, cultural, religious – and imply at least some inequality between the rulers and the ruled. So what are major challanges for empires? ❤ SUBSCRIBE TO EARTH PLANET: https://bit.ly/3aTM0kH 🦖 DINOSAURS DOC
From playlist Civilization
Being FOOLED By Quarantine Magic Tricks!!
MY STORE: https://www.1st.shop/ Our Community: https://www.reddit.com/r/ChrisRamsay52/ Today I'm checking out your creative magic effects which you've posted on our subreddit. Thank you for all the great submissions! You guys are insane!! 1000's of PUZZLES Available here: http://www.puzz
From playlist REACTING TO MAGIC
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
