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Perpendicular bisector of a chord passes through the center of a circle (view source)
Revision as of 19:59, 9 July 2014
, 19:59, 9 July 2014no edit summary
__FORCETOC__
__FORCETOC__
=Activity No # 1 - '''Name of Activity'''=
=Activity No # 1 - '''Perpendicular bisector of a chord passes through the center of a circle'''=
==Estimated Time==
==Estimated Time==
20 minutes
==Materials/ Resources needed==
==Materials/ Resources needed==
Laptop, Geogebra file, projector and a pointer.
==Prerequisites/Instructions, if any==
==Prerequisites/Instructions, if any==
# Basic concepts of a circle and its related terms should have been covered.
==Multimedia resources==
==Multimedia resources==
==Website interactives/ links/ simulations==
==Website interactives/ links/ simulations==
This geogebra has been created by ITfc-Edu-team.
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enableRightClick="false" showAlgebraInput="false" enableShiftDragZoom="true" showMenuBar="false" showToolBar="false" showToolBarHelp="true" enableLabelDrags="false" showResetIcon="true" />
==Process (How to do the activity)==
==Process (How to do the activity)==
# Show the children the geogebra file and ask the listed questions below.
==Developmental Questions (What discussion questions)==
==Developmental Questions (What discussion questions)==
# What is a chord ?
# At how many points on the circumference does the chord touch a circle .
# What is a bisector ?
# What is a perpendicular bisector ?
# In each case the perpendicular bisector passes through which point ?
==Evaluation (Questions for assessment of the child)==
==Evaluation (Questions for assessment of the child)==
# What is the angle formed at the point of intersection of chord and radius ?
# Are the students able to understand what a perpendicular bisector is ?
# Are the students realising that perpendicular bisector drawn for any length of chords for any circle always passes through the center of the circle .
==Question Corner==
==Question Corner==
# What do you infer ?
# How can you reason that the perpendicular bisector for any length of chord always passes through the centre of the circle.
==Activity Keywords==
==Activity Keywords==
#Geogebra
#Perpendicular bisector
#Chord
'''To link back to the concept page'''
'''To link back to the concept page'''
<nowiki>
<nowiki>
[http://karnatakaeducation.org.in/KOER/en/index.php/'''Give the link of the page name from where activity was given''' Back]
[http://karnatakaeducation.org.in/KOER/en/index.php/'''Give the link of the page name from where activity was given''' Back]