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From Karnataka Open Educational Resources
Interior and exterior angles in triangle (view source)
Revision as of 06:45, 4 November 2019
, 06:45, 4 November 2019removed Category:Classroom activities using HotCat
*Digital : Computer, geogebra application, projector.
*Digital : Computer, geogebra application, projector.
*Non digital : Worksheet and pencil.
*Non digital : Worksheet and pencil.
*Geogebra files : '''“[https://ggbm.at/q6fnttmn Angles of triangle.ggb]”'''
*Geogebra files : '''“[https://ggbm.at/xt5tcf6t Angles of triangle.ggb]”'''
{{Geogebra|xt5tcf6t}}
===Process (How to do the activity)===
===Process (How to do the activity)===
*Ask students how many lines are there? They should be able to identify the points of intersection of the lines. How many points of intersection are formed?
*Ask students how many lines are there? They should be able to identify the points of intersection of the lines. How many points of intersection are formed?
|Angle 2
|Angle 2
|Angle 3
|Angle 3
|In Angle 1
|In Angle 1 +
+
Ex Angle1
Ex Angle1
|In Angle 2
|In Angle 2 +
+
Ex Angle2
Ex Angle2
|In Angle 3
|In Angle 3 +
+
Ex Angle3
Ex Angle3
|-
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*Are students able to recognize interior and exterior angles in a triangle
*Are students able to recognize interior and exterior angles in a triangle
*Have the students able to find a relation between the interior angle and exterior angle that are formed at each vertex?
*Have the students able to find a relation between the interior angle and exterior angle that are formed at each vertex?
[[Category:Triangles]]
[[Category:Class 8]]
