Thursday, 16 July 2020

Class -9, Date -17.7.2020, Angle sum property of a triangle, Exterior angle property , Ex -6.3 (NCERT)

          Watch the video 1.Angle sum property of triangle

                                     2.Concept behind angle sum
Proof:-








            Watch the video  Exterior angle property
               Class -work  Ex -6.3 Q 1, 2, 3 
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