Difference between revisions of "Slope of parallel and perpendicular lines" From Karnataka Open Educational Resources
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==Process (How to do the activity)==
==Process (How to do the activity)==
Play with the following Geogebra applet <br>
Play with the following Geogebra applet <br>
− From the following geogebra applet we can visualise that slope of two parallel lines are same and slope of two perpendicular lise are negetive resiprocals of each other
+
− <ggb_applet width="1366" height="558" version="4.2" 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enableRightClick="false" showAlgebraInput="false" enableShiftDragZoom="true" showMenuBar="false" showToolBar="false" showToolBarHelp="true" enableLabelDrags="false" showResetIcon="true" />
+ [[http://tube.geogebra.org/material/show/id/143280 From this geogebra applet we can visualise that slope of two parallel lines are same and slope of two perpendicular lise are negetive resiprocals of each other]]
==Developmental Questions (What discussion questions)==
==Developmental Questions (What discussion questions)==
Line 24:
Line 24:
#Compare the values
#Compare the values
==Evaluation (Questions for assessment of the child)==
==Evaluation (Questions for assessment of the child)==
− [[Image:evaluation .png]]
+ Can we prove that the given triangle is Right angled triangle?<br>
+ [[Image:evaluation .png|400px ]]
==Question Corner==
==Question Corner==
==Activity Keywords==
==Activity Keywords==
− '''To link back to the concept page'''
+
− [[Topic Page Link]]
+ [[http://karnatakaeducation.org.in/KOER/en/index.php/Co-ordinate_geometry Back to Co-ordinate geometry Page Link]]
+
+ [[Category:Co-ordinate Geometry ]]
Latest revision as of 06:26, 7 November 2019
Activity - Name of Activity
Parallel lines have the same slope and slope of perpendicular lines are the negative reciprocals of each other
Estimated Time
1 Hour
Materials/ Resources needed
Geogebra applet
Prerequisites/Instructions, if any
Students should know that every line is a representation of an equation /relation between variables
Graphing an equation/producing equation by visualising graph
Students should know what is Slope?
Similarity of two triangles
Multimedia resources
Website interactives/ links/ simulations/ Geogebra Applets
Process (How to do the activity)
Play with the following Geogebra applet
[From this geogebra applet we can visualise that slope of two parallel lines are same and slope of two perpendicular lise are negetive resiprocals of each other ]
Developmental Questions (What discussion questions)
Move the Blue points observe the changes
record the Slopes of two lines
Compare the values
Evaluation (Questions for assessment of the child)
Can we prove that the given triangle is Right angled triangle?
Question Corner
Activity Keywords
[Back to Co-ordinate geometry Page Link ]