Identification and Verification of the Properties of Isosceles Triangle

Experiment 1: To verify that the angle bisector of the vertex angle of an isosceles triangle is perpendicular to the base and bisects it.
Figure ∠ADB ∠ADC BD DC Results
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Conclusion: The bisector of vertical angle of an isosceles triangle is perpendicular to the base and bisects it.
Experiment 2: To verify that the perpendicular bisector of the base of an isosceles triangle bisects the vertical angle.
Figure ∠BAD ∠CAD Results
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Conclusion: The perpendicular bisector of the base of an isosceles triangle bisects the vertical angle, i.e., ∠BAD = ∠CAD and ∠ADB = ∠ADC = 90°.