Respuesta :

Answer:

SAS

Step-by-step explanation:

Proving :

⇒ AB = AC (given in diagram)

⇒ ∠BAR = ∠CAR (given in diagram)

⇒ AR = AR (common altitude)

⇒ ΔABR ≅ ΔACR (SAS congruence)

Theorem

Which congruence theorem can be used to prove AABR AACR?

SAS is the correct answer

Triangle ABR ≈ Tringle ACR = SAS theorem congruence.

i hope it helps

Otras preguntas