Measures of ∠ABC and ∠CBA in Fig. 2.23 are the same.

True
Because in both measurements ∠ ABC and ∠ CBA, the common angle is B.
∴ ∠ ABC = ∠ CBA
AI is thinking…
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.