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From Karnataka Open Educational Resources
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A chord is the interval joining two distinct points on a circle. This activity investigates formation of chord and compares with the diameter of the circle.
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=== Objectives ===
 
=== Objectives ===
 
Understand chords as elements of a circle
 
Understand chords as elements of a circle
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* Digital : Computer, geogebra application, projector.
 
* Digital : Computer, geogebra application, projector.
 
* Non digital : Worksheet and pencil, compass, strings
 
* Non digital : Worksheet and pencil, compass, strings
* Geogebra files :  [https://ggbm.at/hkqkamre Introduction to chords.ggb]
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* Geogebra files :  [https://ggbm.at/caezkayv Introduction to chords.ggb]
{{Geogebra|hkqkamre}}
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{{Geogebra|caezkayv}}
    
===Process (How to do the activity)===
 
===Process (How to do the activity)===
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{| class="wikitable"
 
{| class="wikitable"
 
|Circle
 
|Circle
|Radius
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|Diameter
 
|Chord
 
|Chord
 
|Chord Length
 
|Chord Length
 
|-
 
|-
 
|1
 
|1
|
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|1
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|-
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|2
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|-
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|3
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|4
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|2
   
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|1
 
|1
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|}
 
|}
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[[Category:Circles]]