Answer: SAS
Step-by-step explanation:
Here ABC is a triangle, In which angle BAC is bisected by line AR where,
.
Thus in triangles ABR and ACR,
AB= AC ( given)
Therefore 
( by the property of angle bisector)
And,
(reflexive)
Thus by SAS postulate,
△ABR ≅ △ACR.
Therefore, Option D is correct.
Answer:
3.8, 3.9 , 4.0 , 4.1 , 4.2 ,4.3
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
Answer: 53°
Alternate interior angles are always congruent.