Then,
Answer: DC produced bisects BC at right angle.
If true then enter 1 else if False enter 0
Let △ABC be an isosceles.AB=AC⟶(1)Hence △DBC is isosceles,
In △ABD and △DBC,AB=AC [From (1)],BD=DC (From (2))AD=AD (common)
therefore△ABD≅△ACD (SSS congruence rule.)
The statement is false.