Chapter Name : Understanding Quadrilateral |
Sub Topic Code : 104_08_03_04_03 |
Topic Name : Kinds Of Quadrilateral |
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Sub Topic Name : Parallelogram |
The mounts are often in the shape of a quadrilateral whose opposite sides are parallel. Such a quadrilateral is known as a Parallelogram.
Basic knowledge about polygons
In the learning aid activity, the strings made of rubber will remain parallel and equal in length when one stick is moved either vertically or horizontally. This shows the property of the parallelogram.
What is the shape of mount that are used to mount telescopes in observatories for general public?
Key Words | Definitions (pref. in our own words) |
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Quadrilateral | A simple closed curve with four vertices and four sides |
Parallelogram | A quadrilateral whose opposite sides are parallel |
Gadgets | How it can be used |
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Sticks, rubber bands | Take two sticks of equal length and place them parallel on a surface. Make two long rubber band strings of same length. Join the starting ends of both sticks with one rubber string and the other ends of both the sticks with other string. Keep a stick stationary while moving the other stick horizontally or vertically. |
Astronomy, tall building structures, bridges, towers, books, wallets, railway tracks
Examples | Explainations |
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Book | A book is a parallelogram. The opposite sides in a book are parallel. |
Eraser | The erasers are also parallelograms. The opposite sides are parallel to each other. |
An Intro to parallelograms
Many design applications in the field of engineering heavily depend upon the properties of parallelogram. It is also an important component in vector studies which is an important part of applied and theoretical physics and advanced mathematics.
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