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zubka84 [21]
3 years ago
5

How can I solve this proof?? PLZ HELP I DONT UNDERSTAND!! Thanks !!

Mathematics
1 answer:
love history [14]3 years ago
8 0

Hello from MrBillDoesMath!

Answer:

See below


Discussion:

Triangles BAD and BCD are congruent by the SAS postulate.

          * Side AD = DC because BD is the perpendicular bisector  of AC.

          * Angle ADB and CDB are both right angles, and hence equal, because

            BD is the perpendicular bisector of AC)


Corresponding parts of congruent triangles are equal so angle BAD = angle BCD,  which was to be proven.


Regards,  

MrB

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