Suckless SAT Practice

SAT Practiceb693eec7-7a41-4127-adf6-bb6bf263019b

Practice one SAT question at a time

Questions come from the Bluebook question bank.

In triangle $A B C$ , $upper A upper B equals 4,680 millimeters left parenthesis mm right parenthesis$ and $upper B upper C equals 4,680 mm$ . Which statement is sufficient to prove that triangle $A B C$ is equilateral?