9514 1404 393
Answer:
3. no (to both)
4. yes (to both)
Step-by-step explanation:
3. see https://brainly.com/question/21676356 for an explanation
__
4. ΔADB ≅ ΔADC by the HL theorem, so all corresponding parts of the triangles are congruent.
Segment AD bisects both angle BAC and segment BC. So, point D lies on the perpendicular bisector of BC.
Yes, there is enough information to answer the questions.
