Question

ABCD is a square. $△ACD$ is congruent to $△ACB$ by _________

• A. ASA criteria
• B. RHS criteria
• C. SSS criteria
• D. SAS criteria

Answer 1

The correct option is C SSS criteria


ABCD is a square.

Consider $△$ACB and $△$ACD,
CB = CD ( side of the same square)
BA = DA ( sides of the same square)
AC = AC ( common)

$△$ACB $\cong △$ACD by SSS criteria.