Investigation 3

1. Move Point 'D' and note down the changes in angle 'A' and angle 'C'
2. Move point 'A' and note down the changes in angle 'B' and angle 'D'
List your observation about relationship between
a. Angle A and angle C
b. Angle B and angle D

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Girishkumar Rao, Created with GeoGebra