AB is parallel to CD,if O is the mid point of BC,show that O is also mid point of AD
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In triangle ABO And triangle COD
Angle ABO= angle COD (vertically opposite angles)
BO=OC (Ois the midpoint)
Angle ABO=angle OCD (alternate angles
Therefore triangle ABO is congruent to triangle COD by ASA
Ao=OD (by cpct)
In triangle ABO And triangle COD
Angle ABO= angle COD (vertically opposite angles)
BO=OC (Ois the midpoint)
Angle ABO=angle OCD (alternate angles
Therefore triangle ABO is congruent to triangle COD by ASA
Ao=OD (by cpct)
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