Question

In triangle ABC, AB=BC. An altitude is drawn from B to AC and intersects AC at D . Which statement is now always true ?

a. 13 years ago

Answer 1

a.

Answer 2

Thanks

Answer 3

Assuming "is now always true" means is NOT always true,then c. AD=BD is NOT always true.

Triangle ABD is congruent to Triangle CBD by the HL Theorem so the first two options and the last one are always true by CPCTC.